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Finding the Fourth Proportional to 27,417.80, 41,126.70 and 7,699.70

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Solution

The fourth proportional to 27,417.80, 41,126.70 and 7,699.70 is: 11,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.80 : 41,126.70 = 7,699.70 : x
  2. Step 2: Convert to fraction form
    27,417.80/41,126.70 = 7,699.70/x
  3. Step 3: Cross multiply
    27,417.80x = 41,126.70 × 7,699.70
  4. Step 4: Simplify right side
    27,417.80x = 316,663,251.99
  5. Step 5: Solve for x
    x = 316,663,251.99/27,417.80
  6. Step 6: Final answer
    x = 11,549.55

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Similar ratio
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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.