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Finding the Fourth Proportional to 7,531.17, 10,401.74 and 5,008.92

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Solution

The fourth proportional to 7,531.17, 10,401.74 and 5,008.92 is: 6,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.17 : 10,401.74 = 5,008.92 : x
  2. Step 2: Convert to fraction form
    7,531.17/10,401.74 = 5,008.92/x
  3. Step 3: Cross multiply
    7,531.17x = 10,401.74 × 5,008.92
  4. Step 4: Simplify right side
    7,531.17x = 52,101,458.48
  5. Step 5: Solve for x
    x = 52,101,458.48/7,531.17
  6. Step 6: Final answer
    x = 6,918.11

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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.