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Finding the Fourth Proportional to 8,732.49, 12,056.31 and 5,753.39

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Solution

The fourth proportional to 8,732.49, 12,056.31 and 5,753.39 is: 7,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.49 : 12,056.31 = 5,753.39 : x
  2. Step 2: Convert to fraction form
    8,732.49/12,056.31 = 5,753.39/x
  3. Step 3: Cross multiply
    8,732.49x = 12,056.31 × 5,753.39
  4. Step 4: Simplify right side
    8,732.49x = 69,364,593.11
  5. Step 5: Solve for x
    x = 69,364,593.11/8,732.49
  6. Step 6: Final answer
    x = 7,943.28

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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.