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Finding the Fourth Proportional to 25,132.80, 37,612.80 and 17,356.80

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Solution

The fourth proportional to 25,132.80, 37,612.80 and 17,356.80 is: 25,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,132.80 : 37,612.80 = 17,356.80 : x
  2. Step 2: Convert to fraction form
    25,132.80/37,612.80 = 17,356.80/x
  3. Step 3: Cross multiply
    25,132.80x = 37,612.80 × 17,356.80
  4. Step 4: Simplify right side
    25,132.80x = 652,837,847.04
  5. Step 5: Solve for x
    x = 652,837,847.04/25,132.80
  6. Step 6: Final answer
    x = 25,975.53

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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.