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Finding the Fourth Proportional to 64,290.57, 88,701.80 and 41,593.62

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Solution

The fourth proportional to 64,290.57, 88,701.80 and 41,593.62 is: 57,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290.57 : 88,701.80 = 41,593.62 : x
  2. Step 2: Convert to fraction form
    64,290.57/88,701.80 = 41,593.62/x
  3. Step 3: Cross multiply
    64,290.57x = 88,701.80 × 41,593.62
  4. Step 4: Simplify right side
    64,290.57x = 3,689,428,754.55
  5. Step 5: Solve for x
    x = 3,689,428,754.55/64,290.57
  6. Step 6: Final answer
    x = 57,386.78

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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.