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Finding the Fourth Proportional to 60,751.65, 91,107.66 and 28,727.55

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Solution

The fourth proportional to 60,751.65, 91,107.66 and 28,727.55 is: 43,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,751.65 : 91,107.66 = 28,727.55 : x
  2. Step 2: Convert to fraction form
    60,751.65/91,107.66 = 28,727.55/x
  3. Step 3: Cross multiply
    60,751.65x = 91,107.66 × 28,727.55
  4. Step 4: Simplify right side
    60,751.65x = 2,617,299,858.03
  5. Step 5: Solve for x
    x = 2,617,299,858.03/60,751.65
  6. Step 6: Final answer
    x = 43,081.96

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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.