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Finding the Fourth Proportional to 60,579.42, 90,908 and 29,397.66

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Solution

The fourth proportional to 60,579.42, 90,908 and 29,397.66 is: 44,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.42 : 90,908 = 29,397.66 : x
  2. Step 2: Convert to fraction form
    60,579.42/90,908 = 29,397.66/x
  3. Step 3: Cross multiply
    60,579.42x = 90,908 × 29,397.66
  4. Step 4: Simplify right side
    60,579.42x = 2,672,482,475.28
  5. Step 5: Solve for x
    x = 2,672,482,475.28/60,579.42
  6. Step 6: Final answer
    x = 44,115.35

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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.