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Finding the Fourth Proportional to 40,573.76, 60,860.67 and 15,625.56

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Solution

The fourth proportional to 40,573.76, 60,860.67 and 15,625.56 is: 23,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,573.76 : 60,860.67 = 15,625.56 : x
  2. Step 2: Convert to fraction form
    40,573.76/60,860.67 = 15,625.56/x
  3. Step 3: Cross multiply
    40,573.76x = 60,860.67 × 15,625.56
  4. Step 4: Simplify right side
    40,573.76x = 950,981,878.02
  5. Step 5: Solve for x
    x = 950,981,878.02/40,573.76
  6. Step 6: Final answer
    x = 23,438.35

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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.