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Finding the Fourth Proportional to 24,905.60, 37,358.40 and 8,489.60

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Solution

The fourth proportional to 24,905.60, 37,358.40 and 8,489.60 is: 12,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,905.60 : 37,358.40 = 8,489.60 : x
  2. Step 2: Convert to fraction form
    24,905.60/37,358.40 = 8,489.60/x
  3. Step 3: Cross multiply
    24,905.60x = 37,358.40 × 8,489.60
  4. Step 4: Simplify right side
    24,905.60x = 317,157,872.64
  5. Step 5: Solve for x
    x = 317,157,872.64/24,905.60
  6. Step 6: Final answer
    x = 12,734.40

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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.