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Finding the Fourth Proportional to 60,540.56, 90,810.68 and 28,854.58

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Solution

The fourth proportional to 60,540.56, 90,810.68 and 28,854.58 is: 43,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,540.56 : 90,810.68 = 28,854.58 : x
  2. Step 2: Convert to fraction form
    60,540.56/90,810.68 = 28,854.58/x
  3. Step 3: Cross multiply
    60,540.56x = 90,810.68 × 28,854.58
  4. Step 4: Simplify right side
    60,540.56x = 2,620,304,030.91
  5. Step 5: Solve for x
    x = 2,620,304,030.91/60,540.56
  6. Step 6: Final answer
    x = 43,281.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.