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Finding the Fourth Proportional to 67,497.74, 93,147.86 and 39,203.42

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Solution

The fourth proportional to 67,497.74, 93,147.86 and 39,203.42 is: 54,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,497.74 : 93,147.86 = 39,203.42 : x
  2. Step 2: Convert to fraction form
    67,497.74/93,147.86 = 39,203.42/x
  3. Step 3: Cross multiply
    67,497.74x = 93,147.86 × 39,203.42
  4. Step 4: Simplify right side
    67,497.74x = 3,651,714,677.68
  5. Step 5: Solve for x
    x = 3,651,714,677.68/67,497.74
  6. Step 6: Final answer
    x = 54,101.29

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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.