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Finding the Fourth Proportional to 32,807.38, 45,273.38 and 18,659.32

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Solution

The fourth proportional to 32,807.38, 45,273.38 and 18,659.32 is: 25,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,807.38 : 45,273.38 = 18,659.32 : x
  2. Step 2: Convert to fraction form
    32,807.38/45,273.38 = 18,659.32/x
  3. Step 3: Cross multiply
    32,807.38x = 45,273.38 × 18,659.32
  4. Step 4: Simplify right side
    32,807.38x = 844,770,484.90
  5. Step 5: Solve for x
    x = 844,770,484.90/32,807.38
  6. Step 6: Final answer
    x = 25,749.40

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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.