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Finding the Fourth Proportional to 32,498.69, 48,754.85 and 18,465.21

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Solution

The fourth proportional to 32,498.69, 48,754.85 and 18,465.21 is: 27,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,498.69 : 48,754.85 = 18,465.21 : x
  2. Step 2: Convert to fraction form
    32,498.69/48,754.85 = 18,465.21/x
  3. Step 3: Cross multiply
    32,498.69x = 48,754.85 × 18,465.21
  4. Step 4: Simplify right side
    32,498.69x = 900,268,451.44
  5. Step 5: Solve for x
    x = 900,268,451.44/32,498.69
  6. Step 6: Final answer
    x = 27,701.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.