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Finding the Fourth Proportional to 60,573.70, 90,824.10 and 31,049.20

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Solution

The fourth proportional to 60,573.70, 90,824.10 and 31,049.20 is: 46,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.70 : 90,824.10 = 31,049.20 : x
  2. Step 2: Convert to fraction form
    60,573.70/90,824.10 = 31,049.20/x
  3. Step 3: Cross multiply
    60,573.70x = 90,824.10 × 31,049.20
  4. Step 4: Simplify right side
    60,573.70x = 2,820,015,645.72
  5. Step 5: Solve for x
    x = 2,820,015,645.72/60,573.70
  6. Step 6: Final answer
    x = 46,555.12

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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.