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Finding the Fourth Proportional to 60,010.39, 90,026.52 and 20,571.49

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Solution

The fourth proportional to 60,010.39, 90,026.52 and 20,571.49 is: 30,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,010.39 : 90,026.52 = 20,571.49 : x
  2. Step 2: Convert to fraction form
    60,010.39/90,026.52 = 20,571.49/x
  3. Step 3: Cross multiply
    60,010.39x = 90,026.52 × 20,571.49
  4. Step 4: Simplify right side
    60,010.39x = 1,851,979,102.92
  5. Step 5: Solve for x
    x = 1,851,979,102.92/60,010.39
  6. Step 6: Final answer
    x = 30,860.98

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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.