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Finding the Fourth Proportional to 1,737.39, 2,397.60 and 940.71

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Solution

The fourth proportional to 1,737.39, 2,397.60 and 940.71 is: 1,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.39 : 2,397.60 = 940.71 : x
  2. Step 2: Convert to fraction form
    1,737.39/2,397.60 = 940.71/x
  3. Step 3: Cross multiply
    1,737.39x = 2,397.60 × 940.71
  4. Step 4: Simplify right side
    1,737.39x = 2,255,441.59
  5. Step 5: Solve for x
    x = 2,255,441.59/1,737.39
  6. Step 6: Final answer
    x = 1,298.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.