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Finding the Fourth Proportional to 20,325.01, 30,492.99 and 10,458.91

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Solution

The fourth proportional to 20,325.01, 30,492.99 and 10,458.91 is: 15,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.01 : 30,492.99 = 10,458.91 : x
  2. Step 2: Convert to fraction form
    20,325.01/30,492.99 = 10,458.91/x
  3. Step 3: Cross multiply
    20,325.01x = 30,492.99 × 10,458.91
  4. Step 4: Simplify right side
    20,325.01x = 318,923,438.04
  5. Step 5: Solve for x
    x = 318,923,438.04/20,325.01
  6. Step 6: Final answer
    x = 15,691.18

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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.