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Finding the Fourth Proportional to 48,495.33, 72,641.48 and 39,082.05

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Solution

The fourth proportional to 48,495.33, 72,641.48 and 39,082.05 is: 58,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.33 : 72,641.48 = 39,082.05 : x
  2. Step 2: Convert to fraction form
    48,495.33/72,641.48 = 39,082.05/x
  3. Step 3: Cross multiply
    48,495.33x = 72,641.48 × 39,082.05
  4. Step 4: Simplify right side
    48,495.33x = 2,838,977,758.02
  5. Step 5: Solve for x
    x = 2,838,977,758.02/48,495.33
  6. Step 6: Final answer
    x = 58,541.26

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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.