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Finding the Fourth Proportional to 4,697.90, 7,047.70 and 2,232.70

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Solution

The fourth proportional to 4,697.90, 7,047.70 and 2,232.70 is: 3,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.90 : 7,047.70 = 2,232.70 : x
  2. Step 2: Convert to fraction form
    4,697.90/7,047.70 = 2,232.70/x
  3. Step 3: Cross multiply
    4,697.90x = 7,047.70 × 2,232.70
  4. Step 4: Simplify right side
    4,697.90x = 15,735,399.79
  5. Step 5: Solve for x
    x = 15,735,399.79/4,697.90
  6. Step 6: Final answer
    x = 3,349.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.