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Finding the Fourth Proportional to 6,710.40, 10,062.47 and 2,490.71

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Solution

The fourth proportional to 6,710.40, 10,062.47 and 2,490.71 is: 3,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.40 : 10,062.47 = 2,490.71 : x
  2. Step 2: Convert to fraction form
    6,710.40/10,062.47 = 2,490.71/x
  3. Step 3: Cross multiply
    6,710.40x = 10,062.47 × 2,490.71
  4. Step 4: Simplify right side
    6,710.40x = 25,062,678.96
  5. Step 5: Solve for x
    x = 25,062,678.96/6,710.40
  6. Step 6: Final answer
    x = 3,734.90

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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.