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Finding the Fourth Proportional to 48,689.76, 67,191.86 and 26,333.76

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Solution

The fourth proportional to 48,689.76, 67,191.86 and 26,333.76 is: 36,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.76 : 67,191.86 = 26,333.76 : x
  2. Step 2: Convert to fraction form
    48,689.76/67,191.86 = 26,333.76/x
  3. Step 3: Cross multiply
    48,689.76x = 67,191.86 × 26,333.76
  4. Step 4: Simplify right side
    48,689.76x = 1,769,414,315.19
  5. Step 5: Solve for x
    x = 1,769,414,315.19/48,689.76
  6. Step 6: Final answer
    x = 36,340.58

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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.