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Finding the Fourth Proportional to 7,373.76, 10,175.76 and 4,016.76

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Solution

The fourth proportional to 7,373.76, 10,175.76 and 4,016.76 is: 5,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.76 : 10,175.76 = 4,016.76 : x
  2. Step 2: Convert to fraction form
    7,373.76/10,175.76 = 4,016.76/x
  3. Step 3: Cross multiply
    7,373.76x = 10,175.76 × 4,016.76
  4. Step 4: Simplify right side
    7,373.76x = 40,873,585.74
  5. Step 5: Solve for x
    x = 40,873,585.74/7,373.76
  6. Step 6: Final answer
    x = 5,543.11

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Half scale
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Double scale
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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.