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Finding the Fourth Proportional to 9,070.58, 13,614.08 and 4,691.12

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Solution

The fourth proportional to 9,070.58, 13,614.08 and 4,691.12 is: 7,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.58 : 13,614.08 = 4,691.12 : x
  2. Step 2: Convert to fraction form
    9,070.58/13,614.08 = 4,691.12/x
  3. Step 3: Cross multiply
    9,070.58x = 13,614.08 × 4,691.12
  4. Step 4: Simplify right side
    9,070.58x = 63,865,191.44
  5. Step 5: Solve for x
    x = 63,865,191.44/9,070.58
  6. Step 6: Final answer
    x = 7,040.91

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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.