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Finding the Fourth Proportional to 27,377.71, 41,066.70 and 7,657.99

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Solution

The fourth proportional to 27,377.71, 41,066.70 and 7,657.99 is: 11,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.71 : 41,066.70 = 7,657.99 : x
  2. Step 2: Convert to fraction form
    27,377.71/41,066.70 = 7,657.99/x
  3. Step 3: Cross multiply
    27,377.71x = 41,066.70 × 7,657.99
  4. Step 4: Simplify right side
    27,377.71x = 314,488,377.93
  5. Step 5: Solve for x
    x = 314,488,377.93/27,377.71
  6. Step 6: Final answer
    x = 11,487.02

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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.