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Finding the Fourth Proportional to 32,651.34, 45,062.63 and 18,315.11

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Solution

The fourth proportional to 32,651.34, 45,062.63 and 18,315.11 is: 25,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.34 : 45,062.63 = 18,315.11 : x
  2. Step 2: Convert to fraction form
    32,651.34/45,062.63 = 18,315.11/x
  3. Step 3: Cross multiply
    32,651.34x = 45,062.63 × 18,315.11
  4. Step 4: Simplify right side
    32,651.34x = 825,327,115.10
  5. Step 5: Solve for x
    x = 825,327,115.10/32,651.34
  6. Step 6: Final answer
    x = 25,276.98

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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.