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Finding the Fourth Proportional to 24,040.40, 36,071.40 and 8,469.20

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Solution

The fourth proportional to 24,040.40, 36,071.40 and 8,469.20 is: 12,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,040.40 : 36,071.40 = 8,469.20 : x
  2. Step 2: Convert to fraction form
    24,040.40/36,071.40 = 8,469.20/x
  3. Step 3: Cross multiply
    24,040.40x = 36,071.40 × 8,469.20
  4. Step 4: Simplify right side
    24,040.40x = 305,495,900.88
  5. Step 5: Solve for x
    x = 305,495,900.88/24,040.40
  6. Step 6: Final answer
    x = 12,707.60

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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.