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Finding the Fourth Proportional to 84,955, 127,491 and 29,551

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Solution

The fourth proportional to 84,955, 127,491 and 29,551 is: 44,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,955 : 127,491 = 29,551 : x
  2. Step 2: Convert to fraction form
    84,955/127,491 = 29,551/x
  3. Step 3: Cross multiply
    84,955x = 127,491 × 29,551
  4. Step 4: Simplify right side
    84,955x = 3,767,486,541
  5. Step 5: Solve for x
    x = 3,767,486,541/84,955
  6. Step 6: Final answer
    x = 44,346.85

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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.