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Finding the Fourth Proportional to 63,354.87, 95,053.41 and 21,239.11

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Solution

The fourth proportional to 63,354.87, 95,053.41 and 21,239.11 is: 31,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354.87 : 95,053.41 = 21,239.11 : x
  2. Step 2: Convert to fraction form
    63,354.87/95,053.41 = 21,239.11/x
  3. Step 3: Cross multiply
    63,354.87x = 95,053.41 × 21,239.11
  4. Step 4: Simplify right side
    63,354.87x = 2,018,849,830.87
  5. Step 5: Solve for x
    x = 2,018,849,830.87/63,354.87
  6. Step 6: Final answer
    x = 31,865.74

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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.