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Finding the Fourth Proportional to 48,715, 67,226.76 and 26,359

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Solution

The fourth proportional to 48,715, 67,226.76 and 26,359 is: 36,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715 : 67,226.76 = 26,359 : x
  2. Step 2: Convert to fraction form
    48,715/67,226.76 = 26,359/x
  3. Step 3: Cross multiply
    48,715x = 67,226.76 × 26,359
  4. Step 4: Simplify right side
    48,715x = 1,772,030,166.84
  5. Step 5: Solve for x
    x = 1,772,030,166.84/48,715
  6. Step 6: Final answer
    x = 36,375.45

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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.