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Finding the Fourth Proportional to 8,262.72, 12,397.44 and 4,366.08

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Solution

The fourth proportional to 8,262.72, 12,397.44 and 4,366.08 is: 6,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.72 : 12,397.44 = 4,366.08 : x
  2. Step 2: Convert to fraction form
    8,262.72/12,397.44 = 4,366.08/x
  3. Step 3: Cross multiply
    8,262.72x = 12,397.44 × 4,366.08
  4. Step 4: Simplify right side
    8,262.72x = 54,128,214.84
  5. Step 5: Solve for x
    x = 54,128,214.84/8,262.72
  6. Step 6: Final answer
    x = 6,550.90

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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.