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Finding the Fourth Proportional to 8,266.74, 12,400.08 and 3,001.74

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Solution

The fourth proportional to 8,266.74, 12,400.08 and 3,001.74 is: 4,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.74 : 12,400.08 = 3,001.74 : x
  2. Step 2: Convert to fraction form
    8,266.74/12,400.08 = 3,001.74/x
  3. Step 3: Cross multiply
    8,266.74x = 12,400.08 × 3,001.74
  4. Step 4: Simplify right side
    8,266.74x = 37,221,816.14
  5. Step 5: Solve for x
    x = 37,221,816.14/8,266.74
  6. Step 6: Final answer
    x = 4,502.60

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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.