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Finding the Fourth Proportional to 29,071, 43,612.98 and 10,603

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Solution

The fourth proportional to 29,071, 43,612.98 and 10,603 is: 15,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,071 : 43,612.98 = 10,603 : x
  2. Step 2: Convert to fraction form
    29,071/43,612.98 = 10,603/x
  3. Step 3: Cross multiply
    29,071x = 43,612.98 × 10,603
  4. Step 4: Simplify right side
    29,071x = 462,428,426.94
  5. Step 5: Solve for x
    x = 462,428,426.94/29,071
  6. Step 6: Final answer
    x = 15,906.86

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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.