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Finding the Fourth Proportional to 32,587.62, 44,965.44 and 18,978.54

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Solution

The fourth proportional to 32,587.62, 44,965.44 and 18,978.54 is: 26,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,587.62 : 44,965.44 = 18,978.54 : x
  2. Step 2: Convert to fraction form
    32,587.62/44,965.44 = 18,978.54/x
  3. Step 3: Cross multiply
    32,587.62x = 44,965.44 × 18,978.54
  4. Step 4: Simplify right side
    32,587.62x = 853,378,401.66
  5. Step 5: Solve for x
    x = 853,378,401.66/32,587.62
  6. Step 6: Final answer
    x = 26,187.20

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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.