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Finding the Fourth Proportional to 48,750.66, 73,126 and 17,585.90

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Solution

The fourth proportional to 48,750.66, 73,126 and 17,585.90 is: 26,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,750.66 : 73,126 = 17,585.90 : x
  2. Step 2: Convert to fraction form
    48,750.66/73,126 = 17,585.90/x
  3. Step 3: Cross multiply
    48,750.66x = 73,126 × 17,585.90
  4. Step 4: Simplify right side
    48,750.66x = 1,285,986,523.40
  5. Step 5: Solve for x
    x = 1,285,986,523.40/48,750.66
  6. Step 6: Final answer
    x = 26,378.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.