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Finding the Fourth Proportional to 24,543.40, 36,815.10 and 15,212.20

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Solution

The fourth proportional to 24,543.40, 36,815.10 and 15,212.20 is: 22,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,543.40 : 36,815.10 = 15,212.20 : x
  2. Step 2: Convert to fraction form
    24,543.40/36,815.10 = 15,212.20/x
  3. Step 3: Cross multiply
    24,543.40x = 36,815.10 × 15,212.20
  4. Step 4: Simplify right side
    24,543.40x = 560,038,664.22
  5. Step 5: Solve for x
    x = 560,038,664.22/24,543.40
  6. Step 6: Final answer
    x = 22,818.30

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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.