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Finding the Fourth Proportional to 6,453.71, 8,902.51 and 4,062.79

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Solution

The fourth proportional to 6,453.71, 8,902.51 and 4,062.79 is: 5,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.71 : 8,902.51 = 4,062.79 : x
  2. Step 2: Convert to fraction form
    6,453.71/8,902.51 = 4,062.79/x
  3. Step 3: Cross multiply
    6,453.71x = 8,902.51 × 4,062.79
  4. Step 4: Simplify right side
    6,453.71x = 36,169,029.57
  5. Step 5: Solve for x
    x = 36,169,029.57/6,453.71
  6. Step 6: Final answer
    x = 5,604.38

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1.5x scale

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.