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Finding the Fourth Proportional to 48,891.86, 67,470.79 and 26,535.86

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Solution

The fourth proportional to 48,891.86, 67,470.79 and 26,535.86 is: 36,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,891.86 : 67,470.79 = 26,535.86 : x
  2. Step 2: Convert to fraction form
    48,891.86/67,470.79 = 26,535.86/x
  3. Step 3: Cross multiply
    48,891.86x = 67,470.79 × 26,535.86
  4. Step 4: Simplify right side
    48,891.86x = 1,790,395,437.53
  5. Step 5: Solve for x
    x = 1,790,395,437.53/48,891.86
  6. Step 6: Final answer
    x = 36,619.50

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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.