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Finding the Fourth Proportional to 29,216, 40,318.08 and 16,648.04

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Solution

The fourth proportional to 29,216, 40,318.08 and 16,648.04 is: 22,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216 : 40,318.08 = 16,648.04 : x
  2. Step 2: Convert to fraction form
    29,216/40,318.08 = 16,648.04/x
  3. Step 3: Cross multiply
    29,216x = 40,318.08 × 16,648.04
  4. Step 4: Simplify right side
    29,216x = 671,217,008.56
  5. Step 5: Solve for x
    x = 671,217,008.56/29,216
  6. Step 6: Final answer
    x = 22,974.30

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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.