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Finding the Fourth Proportional to 18,020.88, 24,870.05 and 10,062.94

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Solution

The fourth proportional to 18,020.88, 24,870.05 and 10,062.94 is: 13,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.88 : 24,870.05 = 10,062.94 : x
  2. Step 2: Convert to fraction form
    18,020.88/24,870.05 = 10,062.94/x
  3. Step 3: Cross multiply
    18,020.88x = 24,870.05 × 10,062.94
  4. Step 4: Simplify right side
    18,020.88x = 250,265,820.95
  5. Step 5: Solve for x
    x = 250,265,820.95/18,020.88
  6. Step 6: Final answer
    x = 13,887.55

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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.