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Finding the Fourth Proportional to 27,553.96, 38,024.10 and 14,978.92

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Solution

The fourth proportional to 27,553.96, 38,024.10 and 14,978.92 is: 20,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.96 : 38,024.10 = 14,978.92 : x
  2. Step 2: Convert to fraction form
    27,553.96/38,024.10 = 14,978.92/x
  3. Step 3: Cross multiply
    27,553.96x = 38,024.10 × 14,978.92
  4. Step 4: Simplify right side
    27,553.96x = 569,559,951.97
  5. Step 5: Solve for x
    x = 569,559,951.97/27,553.96
  6. Step 6: Final answer
    x = 20,670.71

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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.