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Finding the Fourth Proportional to 43,338, 59,810.86 and 31,248.44

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Solution

The fourth proportional to 43,338, 59,810.86 and 31,248.44 is: 43,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338 : 59,810.86 = 31,248.44 : x
  2. Step 2: Convert to fraction form
    43,338/59,810.86 = 31,248.44/x
  3. Step 3: Cross multiply
    43,338x = 59,810.86 × 31,248.44
  4. Step 4: Simplify right side
    43,338x = 1,868,996,070.06
  5. Step 5: Solve for x
    x = 1,868,996,070.06/43,338
  6. Step 6: Final answer
    x = 43,126.03

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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.