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Finding the Fourth Proportional to 2,470.72, 3,706.09 and 1,010.02

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Solution

The fourth proportional to 2,470.72, 3,706.09 and 1,010.02 is: 1,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.72 : 3,706.09 = 1,010.02 : x
  2. Step 2: Convert to fraction form
    2,470.72/3,706.09 = 1,010.02/x
  3. Step 3: Cross multiply
    2,470.72x = 3,706.09 × 1,010.02
  4. Step 4: Simplify right side
    2,470.72x = 3,743,225.02
  5. Step 5: Solve for x
    x = 3,743,225.02/2,470.72
  6. Step 6: Final answer
    x = 1,515.03

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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.