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Finding the Fourth Proportional to 65,207.73, 89,987.04 and 38,351.37

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Solution

The fourth proportional to 65,207.73, 89,987.04 and 38,351.37 is: 52,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.73 : 89,987.04 = 38,351.37 : x
  2. Step 2: Convert to fraction form
    65,207.73/89,987.04 = 38,351.37/x
  3. Step 3: Cross multiply
    65,207.73x = 89,987.04 × 38,351.37
  4. Step 4: Simplify right side
    65,207.73x = 3,451,126,266.24
  5. Step 5: Solve for x
    x = 3,451,126,266.24/65,207.73
  6. Step 6: Final answer
    x = 52,925.11

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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.