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Finding the Fourth Proportional to 25,142.80, 37,627.80 and 17,366.80

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Solution

The fourth proportional to 25,142.80, 37,627.80 and 17,366.80 is: 25,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.80 : 37,627.80 = 17,366.80 : x
  2. Step 2: Convert to fraction form
    25,142.80/37,627.80 = 17,366.80/x
  3. Step 3: Cross multiply
    25,142.80x = 37,627.80 × 17,366.80
  4. Step 4: Simplify right side
    25,142.80x = 653,474,477.04
  5. Step 5: Solve for x
    x = 653,474,477.04/25,142.80
  6. Step 6: Final answer
    x = 25,990.52

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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.