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Finding the Fourth Proportional to 63,445.81, 95,064.89 and 38,409.98

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Solution

The fourth proportional to 63,445.81, 95,064.89 and 38,409.98 is: 57,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,445.81 : 95,064.89 = 38,409.98 : x
  2. Step 2: Convert to fraction form
    63,445.81/95,064.89 = 38,409.98/x
  3. Step 3: Cross multiply
    63,445.81x = 95,064.89 × 38,409.98
  4. Step 4: Simplify right side
    63,445.81x = 3,651,440,048.28
  5. Step 5: Solve for x
    x = 3,651,440,048.28/63,445.81
  6. Step 6: Final answer
    x = 57,552.11

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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.