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Finding the Fourth Proportional to 24,180.40, 36,270.60 and 12,516.40

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Solution

The fourth proportional to 24,180.40, 36,270.60 and 12,516.40 is: 18,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,180.40 : 36,270.60 = 12,516.40 : x
  2. Step 2: Convert to fraction form
    24,180.40/36,270.60 = 12,516.40/x
  3. Step 3: Cross multiply
    24,180.40x = 36,270.60 × 12,516.40
  4. Step 4: Simplify right side
    24,180.40x = 453,977,337.84
  5. Step 5: Solve for x
    x = 453,977,337.84/24,180.40
  6. Step 6: Final answer
    x = 18,774.60

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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.