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Finding the Fourth Proportional to 40,502.16, 60,753.24 and 12,798

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Solution

The fourth proportional to 40,502.16, 60,753.24 and 12,798 is: 19,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.16 : 60,753.24 = 12,798 : x
  2. Step 2: Convert to fraction form
    40,502.16/60,753.24 = 12,798/x
  3. Step 3: Cross multiply
    40,502.16x = 60,753.24 × 12,798
  4. Step 4: Simplify right side
    40,502.16x = 777,519,965.52
  5. Step 5: Solve for x
    x = 777,519,965.52/40,502.16
  6. Step 6: Final answer
    x = 19,197.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.