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Finding the Fourth Proportional to 25,042.56, 37,568.16 and 8,404.22

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Solution

The fourth proportional to 25,042.56, 37,568.16 and 8,404.22 is: 12,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,042.56 : 37,568.16 = 8,404.22 : x
  2. Step 2: Convert to fraction form
    25,042.56/37,568.16 = 8,404.22/x
  3. Step 3: Cross multiply
    25,042.56x = 37,568.16 × 8,404.22
  4. Step 4: Simplify right side
    25,042.56x = 315,730,893.79
  5. Step 5: Solve for x
    x = 315,730,893.79/25,042.56
  6. Step 6: Final answer
    x = 12,607.77

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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.