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Finding the Fourth Proportional to 60,422.70, 90,524.70 and 51,674.70

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Solution

The fourth proportional to 60,422.70, 90,524.70 and 51,674.70 is: 77,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,422.70 : 90,524.70 = 51,674.70 : x
  2. Step 2: Convert to fraction form
    60,422.70/90,524.70 = 51,674.70/x
  3. Step 3: Cross multiply
    60,422.70x = 90,524.70 × 51,674.70
  4. Step 4: Simplify right side
    60,422.70x = 4,677,836,715.09
  5. Step 5: Solve for x
    x = 4,677,836,715.09/60,422.70
  6. Step 6: Final answer
    x = 77,418.53

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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.