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Finding the Fourth Proportional to 63,693, 95,535.72 and 19,320.12

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Solution

The fourth proportional to 63,693, 95,535.72 and 19,320.12 is: 28,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,693 : 95,535.72 = 19,320.12 : x
  2. Step 2: Convert to fraction form
    63,693/95,535.72 = 19,320.12/x
  3. Step 3: Cross multiply
    63,693x = 95,535.72 × 19,320.12
  4. Step 4: Simplify right side
    63,693x = 1,845,761,574.69
  5. Step 5: Solve for x
    x = 1,845,761,574.69/63,693
  6. Step 6: Final answer
    x = 28,979.03

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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.