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Finding the Fourth Proportional to 7,350.76, 10,114.41 and 7,175.80

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Solution

The fourth proportional to 7,350.76, 10,114.41 and 7,175.80 is: 9,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.76 : 10,114.41 = 7,175.80 : x
  2. Step 2: Convert to fraction form
    7,350.76/10,114.41 = 7,175.80/x
  3. Step 3: Cross multiply
    7,350.76x = 10,114.41 × 7,175.80
  4. Step 4: Simplify right side
    7,350.76x = 72,578,983.28
  5. Step 5: Solve for x
    x = 72,578,983.28/7,350.76
  6. Step 6: Final answer
    x = 9,873.67

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.