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Finding the Fourth Proportional to 2,440.71, 3,660.13 and 1,053.93

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Solution

The fourth proportional to 2,440.71, 3,660.13 and 1,053.93 is: 1,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.71 : 3,660.13 = 1,053.93 : x
  2. Step 2: Convert to fraction form
    2,440.71/3,660.13 = 1,053.93/x
  3. Step 3: Cross multiply
    2,440.71x = 3,660.13 × 1,053.93
  4. Step 4: Simplify right side
    2,440.71x = 3,857,535.85
  5. Step 5: Solve for x
    x = 3,857,535.85/2,440.71
  6. Step 6: Final answer
    x = 1,580.50

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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.