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Finding the Fourth Proportional to 63,792.81, 95,699.51 and 19,409.11

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Solution

The fourth proportional to 63,792.81, 95,699.51 and 19,409.11 is: 29,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,792.81 : 95,699.51 = 19,409.11 : x
  2. Step 2: Convert to fraction form
    63,792.81/95,699.51 = 19,409.11/x
  3. Step 3: Cross multiply
    63,792.81x = 95,699.51 × 19,409.11
  4. Step 4: Simplify right side
    63,792.81x = 1,857,442,125.81
  5. Step 5: Solve for x
    x = 1,857,442,125.81/63,792.81
  6. Step 6: Final answer
    x = 29,116.79

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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.