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Finding the Fourth Proportional to 32,754.92, 45,203.40 and 18,419.27

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Solution

The fourth proportional to 32,754.92, 45,203.40 and 18,419.27 is: 25,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,754.92 : 45,203.40 = 18,419.27 : x
  2. Step 2: Convert to fraction form
    32,754.92/45,203.40 = 18,419.27/x
  3. Step 3: Cross multiply
    32,754.92x = 45,203.40 × 18,419.27
  4. Step 4: Simplify right side
    32,754.92x = 832,613,441.17
  5. Step 5: Solve for x
    x = 832,613,441.17/32,754.92
  6. Step 6: Final answer
    x = 25,419.49

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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.