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Finding the Fourth Proportional to 63,712.81, 95,572.86 and 19,341.01

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Solution

The fourth proportional to 63,712.81, 95,572.86 and 19,341.01 is: 29,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.81 : 95,572.86 = 19,341.01 : x
  2. Step 2: Convert to fraction form
    63,712.81/95,572.86 = 19,341.01/x
  3. Step 3: Cross multiply
    63,712.81x = 95,572.86 × 19,341.01
  4. Step 4: Simplify right side
    63,712.81x = 1,848,475,640.99
  5. Step 5: Solve for x
    x = 1,848,475,640.99/63,712.81
  6. Step 6: Final answer
    x = 29,012.62

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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.