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Finding the Fourth Proportional to 25,207.60, 37,811.40 and 16,891.60

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Solution

The fourth proportional to 25,207.60, 37,811.40 and 16,891.60 is: 25,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.60 : 37,811.40 = 16,891.60 : x
  2. Step 2: Convert to fraction form
    25,207.60/37,811.40 = 16,891.60/x
  3. Step 3: Cross multiply
    25,207.60x = 37,811.40 × 16,891.60
  4. Step 4: Simplify right side
    25,207.60x = 638,695,044.24
  5. Step 5: Solve for x
    x = 638,695,044.24/25,207.60
  6. Step 6: Final answer
    x = 25,337.40

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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.