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Finding the Fourth Proportional to 4,332.39, 6,454.27 and 4,123.41

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Solution

The fourth proportional to 4,332.39, 6,454.27 and 4,123.41 is: 6,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.39 : 6,454.27 = 4,123.41 : x
  2. Step 2: Convert to fraction form
    4,332.39/6,454.27 = 4,123.41/x
  3. Step 3: Cross multiply
    4,332.39x = 6,454.27 × 4,123.41
  4. Step 4: Simplify right side
    4,332.39x = 26,613,591.15
  5. Step 5: Solve for x
    x = 26,613,591.15/4,332.39
  6. Step 6: Final answer
    x = 6,142.94

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1.5x scale

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.