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Finding the Fourth Proportional to 67,487.63, 93,132.93 and 39,195.14

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Solution

The fourth proportional to 67,487.63, 93,132.93 and 39,195.14 is: 54,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.63 : 93,132.93 = 39,195.14 : x
  2. Step 2: Convert to fraction form
    67,487.63/93,132.93 = 39,195.14/x
  3. Step 3: Cross multiply
    67,487.63x = 93,132.93 × 39,195.14
  4. Step 4: Simplify right side
    67,487.63x = 3,650,357,764.30
  5. Step 5: Solve for x
    x = 3,650,357,764.30/67,487.63
  6. Step 6: Final answer
    x = 54,089.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.