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Finding the Fourth Proportional to 49,707.32, 68,618.49 and 32,720.48

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Solution

The fourth proportional to 49,707.32, 68,618.49 and 32,720.48 is: 45,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,707.32 : 68,618.49 = 32,720.48 : x
  2. Step 2: Convert to fraction form
    49,707.32/68,618.49 = 32,720.48/x
  3. Step 3: Cross multiply
    49,707.32x = 68,618.49 × 32,720.48
  4. Step 4: Simplify right side
    49,707.32x = 2,245,230,098.24
  5. Step 5: Solve for x
    x = 2,245,230,098.24/49,707.32
  6. Step 6: Final answer
    x = 45,169.00

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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.