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Finding the Fourth Proportional to 60,425.10, 90,646.86 and 30,826.79

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Solution

The fourth proportional to 60,425.10, 90,646.86 and 30,826.79 is: 46,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,425.10 : 90,646.86 = 30,826.79 : x
  2. Step 2: Convert to fraction form
    60,425.10/90,646.86 = 30,826.79/x
  3. Step 3: Cross multiply
    60,425.10x = 90,646.86 × 30,826.79
  4. Step 4: Simplify right side
    60,425.10x = 2,794,351,717.38
  5. Step 5: Solve for x
    x = 2,794,351,717.38/60,425.10
  6. Step 6: Final answer
    x = 46,244.88

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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.