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Finding the Fourth Proportional to 48,781.89, 67,319.02 and 26,425.89

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Solution

The fourth proportional to 48,781.89, 67,319.02 and 26,425.89 is: 36,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.89 : 67,319.02 = 26,425.89 : x
  2. Step 2: Convert to fraction form
    48,781.89/67,319.02 = 26,425.89/x
  3. Step 3: Cross multiply
    48,781.89x = 67,319.02 × 26,425.89
  4. Step 4: Simplify right side
    48,781.89x = 1,778,964,614.77
  5. Step 5: Solve for x
    x = 1,778,964,614.77/48,781.89
  6. Step 6: Final answer
    x = 36,467.73

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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.