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Finding the Fourth Proportional to 52,961.12, 79,475.16 and 29,602.88

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Solution

The fourth proportional to 52,961.12, 79,475.16 and 29,602.88 is: 44,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.12 : 79,475.16 = 29,602.88 : x
  2. Step 2: Convert to fraction form
    52,961.12/79,475.16 = 29,602.88/x
  3. Step 3: Cross multiply
    52,961.12x = 79,475.16 × 29,602.88
  4. Step 4: Simplify right side
    52,961.12x = 2,352,693,624.46
  5. Step 5: Solve for x
    x = 2,352,693,624.46/52,961.12
  6. Step 6: Final answer
    x = 44,423.03

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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.