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Finding the Fourth Proportional to 8,732.88, 12,053.20 and 5,753.52

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Solution

The fourth proportional to 8,732.88, 12,053.20 and 5,753.52 is: 7,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.88 : 12,053.20 = 5,753.52 : x
  2. Step 2: Convert to fraction form
    8,732.88/12,053.20 = 5,753.52/x
  3. Step 3: Cross multiply
    8,732.88x = 12,053.20 × 5,753.52
  4. Step 4: Simplify right side
    8,732.88x = 69,348,327.26
  5. Step 5: Solve for x
    x = 69,348,327.26/8,732.88
  6. Step 6: Final answer
    x = 7,941.06

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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.