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Finding the Fourth Proportional to 48,659.40, 67,149.99 and 26,303.40

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Solution

The fourth proportional to 48,659.40, 67,149.99 and 26,303.40 is: 36,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.40 : 67,149.99 = 26,303.40 : x
  2. Step 2: Convert to fraction form
    48,659.40/67,149.99 = 26,303.40/x
  3. Step 3: Cross multiply
    48,659.40x = 67,149.99 × 26,303.40
  4. Step 4: Simplify right side
    48,659.40x = 1,766,273,046.97
  5. Step 5: Solve for x
    x = 1,766,273,046.97/48,659.40
  6. Step 6: Final answer
    x = 36,298.70

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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.