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Finding the Fourth Proportional to 60,403.40, 90,425.90 and 44,889.80

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Solution

The fourth proportional to 60,403.40, 90,425.90 and 44,889.80 is: 67,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,403.40 : 90,425.90 = 44,889.80 : x
  2. Step 2: Convert to fraction form
    60,403.40/90,425.90 = 44,889.80/x
  3. Step 3: Cross multiply
    60,403.40x = 90,425.90 × 44,889.80
  4. Step 4: Simplify right side
    60,403.40x = 4,059,200,565.82
  5. Step 5: Solve for x
    x = 4,059,200,565.82/60,403.40
  6. Step 6: Final answer
    x = 67,201.52

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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.