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Finding the Fourth Proportional to 57,632.70, 86,448.90 and 16,079.70

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Solution

The fourth proportional to 57,632.70, 86,448.90 and 16,079.70 is: 24,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.70 : 86,448.90 = 16,079.70 : x
  2. Step 2: Convert to fraction form
    57,632.70/86,448.90 = 16,079.70/x
  3. Step 3: Cross multiply
    57,632.70x = 86,448.90 × 16,079.70
  4. Step 4: Simplify right side
    57,632.70x = 1,390,072,377.33
  5. Step 5: Solve for x
    x = 1,390,072,377.33/57,632.70
  6. Step 6: Final answer
    x = 24,119.51

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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.