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Finding the Fourth Proportional to 32,896.60, 45,398.48 and 18,747.16

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Solution

The fourth proportional to 32,896.60, 45,398.48 and 18,747.16 is: 25,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,896.60 : 45,398.48 = 18,747.16 : x
  2. Step 2: Convert to fraction form
    32,896.60/45,398.48 = 18,747.16/x
  3. Step 3: Cross multiply
    32,896.60x = 45,398.48 × 18,747.16
  4. Step 4: Simplify right side
    32,896.60x = 851,092,568.32
  5. Step 5: Solve for x
    x = 851,092,568.32/32,896.60
  6. Step 6: Final answer
    x = 25,871.75

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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.