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Finding the Fourth Proportional to 27,897, 41,842.80 and 10,366.80

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Solution

The fourth proportional to 27,897, 41,842.80 and 10,366.80 is: 15,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897 : 41,842.80 = 10,366.80 : x
  2. Step 2: Convert to fraction form
    27,897/41,842.80 = 10,366.80/x
  3. Step 3: Cross multiply
    27,897x = 41,842.80 × 10,366.80
  4. Step 4: Simplify right side
    27,897x = 433,775,939.04
  5. Step 5: Solve for x
    x = 433,775,939.04/27,897
  6. Step 6: Final answer
    x = 15,549.20

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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.