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Finding the Fourth Proportional to 737.26, 1,100.92 and 729.16

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Solution

The fourth proportional to 737.26, 1,100.92 and 729.16 is: 1,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.26 : 1,100.92 = 729.16 : x
  2. Step 2: Convert to fraction form
    737.26/1,100.92 = 729.16/x
  3. Step 3: Cross multiply
    737.26x = 1,100.92 × 729.16
  4. Step 4: Simplify right side
    737.26x = 802,746.83
  5. Step 5: Solve for x
    x = 802,746.83/737.26
  6. Step 6: Final answer
    x = 1,088.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.