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Finding the Fourth Proportional to 2,332.70, 3,499.11 and 871.57

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Solution

The fourth proportional to 2,332.70, 3,499.11 and 871.57 is: 1,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.70 : 3,499.11 = 871.57 : x
  2. Step 2: Convert to fraction form
    2,332.70/3,499.11 = 871.57/x
  3. Step 3: Cross multiply
    2,332.70x = 3,499.11 × 871.57
  4. Step 4: Simplify right side
    2,332.70x = 3,049,710.55
  5. Step 5: Solve for x
    x = 3,049,710.55/2,332.70
  6. Step 6: Final answer
    x = 1,307.38

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1.5x scale

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.