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Finding the Fourth Proportional to 47,572.70, 65,654.78 and 26,351.98

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Solution

The fourth proportional to 47,572.70, 65,654.78 and 26,351.98 is: 36,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.70 : 65,654.78 = 26,351.98 : x
  2. Step 2: Convert to fraction form
    47,572.70/65,654.78 = 26,351.98/x
  3. Step 3: Cross multiply
    47,572.70x = 65,654.78 × 26,351.98
  4. Step 4: Simplify right side
    47,572.70x = 1,730,133,449.46
  5. Step 5: Solve for x
    x = 1,730,133,449.46/47,572.70
  6. Step 6: Final answer
    x = 36,368.20

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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.