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Finding the Fourth Proportional to 7,246.40, 10,001.92 and 6,753.92

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Solution

The fourth proportional to 7,246.40, 10,001.92 and 6,753.92 is: 9,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.40 : 10,001.92 = 6,753.92 : x
  2. Step 2: Convert to fraction form
    7,246.40/10,001.92 = 6,753.92/x
  3. Step 3: Cross multiply
    7,246.40x = 10,001.92 × 6,753.92
  4. Step 4: Simplify right side
    7,246.40x = 67,552,167.53
  5. Step 5: Solve for x
    x = 67,552,167.53/7,246.40
  6. Step 6: Final answer
    x = 9,322.17

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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.