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Finding the Fourth Proportional to 6,488.60, 9,732.82 and 4,403.44

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Solution

The fourth proportional to 6,488.60, 9,732.82 and 4,403.44 is: 6,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.60 : 9,732.82 = 4,403.44 : x
  2. Step 2: Convert to fraction form
    6,488.60/9,732.82 = 4,403.44/x
  3. Step 3: Cross multiply
    6,488.60x = 9,732.82 × 4,403.44
  4. Step 4: Simplify right side
    6,488.60x = 42,857,888.90
  5. Step 5: Solve for x
    x = 42,857,888.90/6,488.60
  6. Step 6: Final answer
    x = 6,605.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.