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Finding the Fourth Proportional to 51,642.90, 77,472.42 and 22,060.92

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Solution

The fourth proportional to 51,642.90, 77,472.42 and 22,060.92 is: 33,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642.90 : 77,472.42 = 22,060.92 : x
  2. Step 2: Convert to fraction form
    51,642.90/77,472.42 = 22,060.92/x
  3. Step 3: Cross multiply
    51,642.90x = 77,472.42 × 22,060.92
  4. Step 4: Simplify right side
    51,642.90x = 1,709,112,859.83
  5. Step 5: Solve for x
    x = 1,709,112,859.83/51,642.90
  6. Step 6: Final answer
    x = 33,094.83

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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.