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Finding the Fourth Proportional to 2,167.04, 3,250.20 and 707.24

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Solution

The fourth proportional to 2,167.04, 3,250.20 and 707.24 is: 1,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.04 : 3,250.20 = 707.24 : x
  2. Step 2: Convert to fraction form
    2,167.04/3,250.20 = 707.24/x
  3. Step 3: Cross multiply
    2,167.04x = 3,250.20 × 707.24
  4. Step 4: Simplify right side
    2,167.04x = 2,298,671.45
  5. Step 5: Solve for x
    x = 2,298,671.45/2,167.04
  6. Step 6: Final answer
    x = 1,060.74

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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.