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Finding the Fourth Proportional to 43,707.92, 65,571.72 and 17,412.08

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Solution

The fourth proportional to 43,707.92, 65,571.72 and 17,412.08 is: 26,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.92 : 65,571.72 = 17,412.08 : x
  2. Step 2: Convert to fraction form
    43,707.92/65,571.72 = 17,412.08/x
  3. Step 3: Cross multiply
    43,707.92x = 65,571.72 × 17,412.08
  4. Step 4: Simplify right side
    43,707.92x = 1,141,740,034.38
  5. Step 5: Solve for x
    x = 1,141,740,034.38/43,707.92
  6. Step 6: Final answer
    x = 26,122.04

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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.