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Finding the Fourth Proportional to 25,903.98, 35,592.57 and 20,589.57

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Solution

The fourth proportional to 25,903.98, 35,592.57 and 20,589.57 is: 28,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.98 : 35,592.57 = 20,589.57 : x
  2. Step 2: Convert to fraction form
    25,903.98/35,592.57 = 20,589.57/x
  3. Step 3: Cross multiply
    25,903.98x = 35,592.57 × 20,589.57
  4. Step 4: Simplify right side
    25,903.98x = 732,835,711.49
  5. Step 5: Solve for x
    x = 732,835,711.49/25,903.98
  6. Step 6: Final answer
    x = 28,290.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.