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Finding the Fourth Proportional to 60,571.41, 90,860.76 and 19,018.41

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Solution

The fourth proportional to 60,571.41, 90,860.76 and 19,018.41 is: 28,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571.41 : 90,860.76 = 19,018.41 : x
  2. Step 2: Convert to fraction form
    60,571.41/90,860.76 = 19,018.41/x
  3. Step 3: Cross multiply
    60,571.41x = 90,860.76 × 19,018.41
  4. Step 4: Simplify right side
    60,571.41x = 1,728,026,845.86
  5. Step 5: Solve for x
    x = 1,728,026,845.86/60,571.41
  6. Step 6: Final answer
    x = 28,528.76

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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.