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Finding the Fourth Proportional to 18,030.98, 24,883.26 and 10,074.08

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Solution

The fourth proportional to 18,030.98, 24,883.26 and 10,074.08 is: 13,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.98 : 24,883.26 = 10,074.08 : x
  2. Step 2: Convert to fraction form
    18,030.98/24,883.26 = 10,074.08/x
  3. Step 3: Cross multiply
    18,030.98x = 24,883.26 × 10,074.08
  4. Step 4: Simplify right side
    18,030.98x = 250,675,951.90
  5. Step 5: Solve for x
    x = 250,675,951.90/18,030.98
  6. Step 6: Final answer
    x = 13,902.51

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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.