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Finding the Fourth Proportional to 2,470.71, 3,706.08 and 1,008.84

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Solution

The fourth proportional to 2,470.71, 3,706.08 and 1,008.84 is: 1,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.71 : 3,706.08 = 1,008.84 : x
  2. Step 2: Convert to fraction form
    2,470.71/3,706.08 = 1,008.84/x
  3. Step 3: Cross multiply
    2,470.71x = 3,706.08 × 1,008.84
  4. Step 4: Simplify right side
    2,470.71x = 3,738,841.75
  5. Step 5: Solve for x
    x = 3,738,841.75/2,470.71
  6. Step 6: Final answer
    x = 1,513.27

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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.