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Finding the Fourth Proportional to 1,706.04, 2,561.04 and 1,151.28

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Solution

The fourth proportional to 1,706.04, 2,561.04 and 1,151.28 is: 1,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.04 : 2,561.04 = 1,151.28 : x
  2. Step 2: Convert to fraction form
    1,706.04/2,561.04 = 1,151.28/x
  3. Step 3: Cross multiply
    1,706.04x = 2,561.04 × 1,151.28
  4. Step 4: Simplify right side
    1,706.04x = 2,948,474.13
  5. Step 5: Solve for x
    x = 2,948,474.13/1,706.04
  6. Step 6: Final answer
    x = 1,728.26

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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.