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Finding the Fourth Proportional to 18,734.01, 28,102.29 and 6,253.53

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Solution

The fourth proportional to 18,734.01, 28,102.29 and 6,253.53 is: 9,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.01 : 28,102.29 = 6,253.53 : x
  2. Step 2: Convert to fraction form
    18,734.01/28,102.29 = 6,253.53/x
  3. Step 3: Cross multiply
    18,734.01x = 28,102.29 × 6,253.53
  4. Step 4: Simplify right side
    18,734.01x = 175,738,513.58
  5. Step 5: Solve for x
    x = 175,738,513.58/18,734.01
  6. Step 6: Final answer
    x = 9,380.72

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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.