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Finding the Fourth Proportional to 45,232.65, 67,751.78 and 39,400.65

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Solution

The fourth proportional to 45,232.65, 67,751.78 and 39,400.65 is: 59,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,232.65 : 67,751.78 = 39,400.65 : x
  2. Step 2: Convert to fraction form
    45,232.65/67,751.78 = 39,400.65/x
  3. Step 3: Cross multiply
    45,232.65x = 67,751.78 × 39,400.65
  4. Step 4: Simplify right side
    45,232.65x = 2,669,463,973.65
  5. Step 5: Solve for x
    x = 2,669,463,973.65/45,232.65
  6. Step 6: Final answer
    x = 59,016.31

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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.