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Finding the Fourth Proportional to 27,937.40, 41,954.70 and 14,815.40

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Solution

The fourth proportional to 27,937.40, 41,954.70 and 14,815.40 is: 22,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.40 : 41,954.70 = 14,815.40 : x
  2. Step 2: Convert to fraction form
    27,937.40/41,954.70 = 14,815.40/x
  3. Step 3: Cross multiply
    27,937.40x = 41,954.70 × 14,815.40
  4. Step 4: Simplify right side
    27,937.40x = 621,575,662.38
  5. Step 5: Solve for x
    x = 621,575,662.38/27,937.40
  6. Step 6: Final answer
    x = 22,248.87

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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.