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Finding the Fourth Proportional to 2,332.75, 3,500.13 and 871.72

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Solution

The fourth proportional to 2,332.75, 3,500.13 and 871.72 is: 1,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.75 : 3,500.13 = 871.72 : x
  2. Step 2: Convert to fraction form
    2,332.75/3,500.13 = 871.72/x
  3. Step 3: Cross multiply
    2,332.75x = 3,500.13 × 871.72
  4. Step 4: Simplify right side
    2,332.75x = 3,051,133.32
  5. Step 5: Solve for x
    x = 3,051,133.32/2,332.75
  6. Step 6: Final answer
    x = 1,307.96

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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.