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Finding the Fourth Proportional to 6,403.88, 8,834.82 and 4,044.74

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Solution

The fourth proportional to 6,403.88, 8,834.82 and 4,044.74 is: 5,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.88 : 8,834.82 = 4,044.74 : x
  2. Step 2: Convert to fraction form
    6,403.88/8,834.82 = 4,044.74/x
  3. Step 3: Cross multiply
    6,403.88x = 8,834.82 × 4,044.74
  4. Step 4: Simplify right side
    6,403.88x = 35,734,549.85
  5. Step 5: Solve for x
    x = 35,734,549.85/6,403.88
  6. Step 6: Final answer
    x = 5,580.14

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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.