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Finding the Fourth Proportional to 28,241.27, 38,973.98 and 17,061.11

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Solution

The fourth proportional to 28,241.27, 38,973.98 and 17,061.11 is: 23,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.27 : 38,973.98 = 17,061.11 : x
  2. Step 2: Convert to fraction form
    28,241.27/38,973.98 = 17,061.11/x
  3. Step 3: Cross multiply
    28,241.27x = 38,973.98 × 17,061.11
  4. Step 4: Simplify right side
    28,241.27x = 664,939,207.70
  5. Step 5: Solve for x
    x = 664,939,207.70/28,241.27
  6. Step 6: Final answer
    x = 23,544.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.