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Finding the Fourth Proportional to 27,281.93, 40,927.48 and 13,960.69

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Solution

The fourth proportional to 27,281.93, 40,927.48 and 13,960.69 is: 20,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.93 : 40,927.48 = 13,960.69 : x
  2. Step 2: Convert to fraction form
    27,281.93/40,927.48 = 13,960.69/x
  3. Step 3: Cross multiply
    27,281.93x = 40,927.48 × 13,960.69
  4. Step 4: Simplify right side
    27,281.93x = 571,375,860.76
  5. Step 5: Solve for x
    x = 571,375,860.76/27,281.93
  6. Step 6: Final answer
    x = 20,943.38

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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.