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Finding the Fourth Proportional to 16,678.50, 25,025.01 and 10,452.78

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Solution

The fourth proportional to 16,678.50, 25,025.01 and 10,452.78 is: 15,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.50 : 25,025.01 = 10,452.78 : x
  2. Step 2: Convert to fraction form
    16,678.50/25,025.01 = 10,452.78/x
  3. Step 3: Cross multiply
    16,678.50x = 25,025.01 × 10,452.78
  4. Step 4: Simplify right side
    16,678.50x = 261,580,924.03
  5. Step 5: Solve for x
    x = 261,580,924.03/16,678.50
  6. Step 6: Final answer
    x = 15,683.72

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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.