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Finding the Fourth Proportional to 32,661.56, 45,071.67 and 18,514.10

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Solution

The fourth proportional to 32,661.56, 45,071.67 and 18,514.10 is: 25,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.56 : 45,071.67 = 18,514.10 : x
  2. Step 2: Convert to fraction form
    32,661.56/45,071.67 = 18,514.10/x
  3. Step 3: Cross multiply
    32,661.56x = 45,071.67 × 18,514.10
  4. Step 4: Simplify right side
    32,661.56x = 834,461,180.19
  5. Step 5: Solve for x
    x = 834,461,180.19/32,661.56
  6. Step 6: Final answer
    x = 25,548.73

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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.