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Finding the Fourth Proportional to 48,830.31, 67,348.87 and 35,445.87

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Solution

The fourth proportional to 48,830.31, 67,348.87 and 35,445.87 is: 48,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.31 : 67,348.87 = 35,445.87 : x
  2. Step 2: Convert to fraction form
    48,830.31/67,348.87 = 35,445.87/x
  3. Step 3: Cross multiply
    48,830.31x = 67,348.87 × 35,445.87
  4. Step 4: Simplify right side
    48,830.31x = 2,387,239,202.05
  5. Step 5: Solve for x
    x = 2,387,239,202.05/48,830.31
  6. Step 6: Final answer
    x = 48,888.47

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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.