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Finding the Fourth Proportional to 1,708.16, 2,559.84 and 733.28

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Solution

The fourth proportional to 1,708.16, 2,559.84 and 733.28 is: 1,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.16 : 2,559.84 = 733.28 : x
  2. Step 2: Convert to fraction form
    1,708.16/2,559.84 = 733.28/x
  3. Step 3: Cross multiply
    1,708.16x = 2,559.84 × 733.28
  4. Step 4: Simplify right side
    1,708.16x = 1,877,079.48
  5. Step 5: Solve for x
    x = 1,877,079.48/1,708.16
  6. Step 6: Final answer
    x = 1,098.89

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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.