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Finding the Fourth Proportional to 65,841.48, 90,874.98 and 60,527.88

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Solution

The fourth proportional to 65,841.48, 90,874.98 and 60,527.88 is: 83,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,841.48 : 90,874.98 = 60,527.88 : x
  2. Step 2: Convert to fraction form
    65,841.48/90,874.98 = 60,527.88/x
  3. Step 3: Cross multiply
    65,841.48x = 90,874.98 × 60,527.88
  4. Step 4: Simplify right side
    65,841.48x = 5,500,469,884.44
  5. Step 5: Solve for x
    x = 5,500,469,884.44/65,841.48
  6. Step 6: Final answer
    x = 83,541.10

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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.