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Finding the Fourth Proportional to 48,425.68, 72,541.32 and 35,305.84

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Solution

The fourth proportional to 48,425.68, 72,541.32 and 35,305.84 is: 52,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.68 : 72,541.32 = 35,305.84 : x
  2. Step 2: Convert to fraction form
    48,425.68/72,541.32 = 35,305.84/x
  3. Step 3: Cross multiply
    48,425.68x = 72,541.32 × 35,305.84
  4. Step 4: Simplify right side
    48,425.68x = 2,561,132,237.31
  5. Step 5: Solve for x
    x = 2,561,132,237.31/48,425.68
  6. Step 6: Final answer
    x = 52,887.89

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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.