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Finding the Fourth Proportional to 18,061.96, 24,928.73 and 10,893.15

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Solution

The fourth proportional to 18,061.96, 24,928.73 and 10,893.15 is: 15,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.96 : 24,928.73 = 10,893.15 : x
  2. Step 2: Convert to fraction form
    18,061.96/24,928.73 = 10,893.15/x
  3. Step 3: Cross multiply
    18,061.96x = 24,928.73 × 10,893.15
  4. Step 4: Simplify right side
    18,061.96x = 271,552,395.20
  5. Step 5: Solve for x
    x = 271,552,395.20/18,061.96
  6. Step 6: Final answer
    x = 15,034.49

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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.