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Finding the Fourth Proportional to 60,622.70, 90,901.65 and 25,522.70

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Solution

The fourth proportional to 60,622.70, 90,901.65 and 25,522.70 is: 38,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,622.70 : 90,901.65 = 25,522.70 : x
  2. Step 2: Convert to fraction form
    60,622.70/90,901.65 = 25,522.70/x
  3. Step 3: Cross multiply
    60,622.70x = 90,901.65 × 25,522.70
  4. Step 4: Simplify right side
    60,622.70x = 2,320,055,542.46
  5. Step 5: Solve for x
    x = 2,320,055,542.46/60,622.70
  6. Step 6: Final answer
    x = 38,270.41

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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.