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Finding the Fourth Proportional to 60,721.86, 83,806.29 and 35,249.38

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Solution

The fourth proportional to 60,721.86, 83,806.29 and 35,249.38 is: 48,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.86 : 83,806.29 = 35,249.38 : x
  2. Step 2: Convert to fraction form
    60,721.86/83,806.29 = 35,249.38/x
  3. Step 3: Cross multiply
    60,721.86x = 83,806.29 × 35,249.38
  4. Step 4: Simplify right side
    60,721.86x = 2,954,119,762.60
  5. Step 5: Solve for x
    x = 2,954,119,762.60/60,721.86
  6. Step 6: Final answer
    x = 48,650.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.