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Finding the Fourth Proportional to 25,108.92, 37,669.08 and 8,468.40

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Solution

The fourth proportional to 25,108.92, 37,669.08 and 8,468.40 is: 12,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.92 : 37,669.08 = 8,468.40 : x
  2. Step 2: Convert to fraction form
    25,108.92/37,669.08 = 8,468.40/x
  3. Step 3: Cross multiply
    25,108.92x = 37,669.08 × 8,468.40
  4. Step 4: Simplify right side
    25,108.92x = 318,996,837.07
  5. Step 5: Solve for x
    x = 318,996,837.07/25,108.92
  6. Step 6: Final answer
    x = 12,704.52

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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.