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Finding the Fourth Proportional to 6,582.40, 9,079.26 and 4,227.40

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Solution

The fourth proportional to 6,582.40, 9,079.26 and 4,227.40 is: 5,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,582.40 : 9,079.26 = 4,227.40 : x
  2. Step 2: Convert to fraction form
    6,582.40/9,079.26 = 4,227.40/x
  3. Step 3: Cross multiply
    6,582.40x = 9,079.26 × 4,227.40
  4. Step 4: Simplify right side
    6,582.40x = 38,381,663.72
  5. Step 5: Solve for x
    x = 38,381,663.72/6,582.40
  6. Step 6: Final answer
    x = 5,830.95

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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.