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Finding the Fourth Proportional to 4,393.74, 6,566.87 and 4,043.49

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Solution

The fourth proportional to 4,393.74, 6,566.87 and 4,043.49 is: 6,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.74 : 6,566.87 = 4,043.49 : x
  2. Step 2: Convert to fraction form
    4,393.74/6,566.87 = 4,043.49/x
  3. Step 3: Cross multiply
    4,393.74x = 6,566.87 × 4,043.49
  4. Step 4: Simplify right side
    4,393.74x = 26,553,073.18
  5. Step 5: Solve for x
    x = 26,553,073.18/4,393.74
  6. Step 6: Final answer
    x = 6,043.39

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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.