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Finding the Fourth Proportional to 3,712,720.97, 5,569,085.84 and 1,017,069.39

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Solution

The fourth proportional to 3,712,720.97, 5,569,085.84 and 1,017,069.39 is: 1,525,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,720.97 : 5,569,085.84 = 1,017,069.39 : x
  2. Step 2: Convert to fraction form
    3,712,720.97/5,569,085.84 = 1,017,069.39/x
  3. Step 3: Cross multiply
    3,712,720.97x = 5,569,085.84 × 1,017,069.39
  4. Step 4: Simplify right side
    3,712,720.97x = 5,664,146,738,146.44
  5. Step 5: Solve for x
    x = 5,664,146,738,146.44/3,712,720.97
  6. Step 6: Final answer
    x = 1,525,605.29

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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.