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Finding the Fourth Proportional to 48,607.80, 67,078.75 and 26,251.80

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Solution

The fourth proportional to 48,607.80, 67,078.75 and 26,251.80 is: 36,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,607.80 : 67,078.75 = 26,251.80 : x
  2. Step 2: Convert to fraction form
    48,607.80/67,078.75 = 26,251.80/x
  3. Step 3: Cross multiply
    48,607.80x = 67,078.75 × 26,251.80
  4. Step 4: Simplify right side
    48,607.80x = 1,760,937,929.25
  5. Step 5: Solve for x
    x = 1,760,937,929.25/48,607.80
  6. Step 6: Final answer
    x = 36,227.48

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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.