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Finding the Fourth Proportional to 32,788.92, 45,248.72 and 18,642.63

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Solution

The fourth proportional to 32,788.92, 45,248.72 and 18,642.63 is: 25,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.92 : 45,248.72 = 18,642.63 : x
  2. Step 2: Convert to fraction form
    32,788.92/45,248.72 = 18,642.63/x
  3. Step 3: Cross multiply
    32,788.92x = 45,248.72 × 18,642.63
  4. Step 4: Simplify right side
    32,788.92x = 843,555,051.72
  5. Step 5: Solve for x
    x = 843,555,051.72/32,788.92
  6. Step 6: Final answer
    x = 25,726.83

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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.