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Finding the Fourth Proportional to 32,080.50, 48,026.90 and 18,712.62

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Solution

The fourth proportional to 32,080.50, 48,026.90 and 18,712.62 is: 28,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,080.50 : 48,026.90 = 18,712.62 : x
  2. Step 2: Convert to fraction form
    32,080.50/48,026.90 = 18,712.62/x
  3. Step 3: Cross multiply
    32,080.50x = 48,026.90 × 18,712.62
  4. Step 4: Simplify right side
    32,080.50x = 898,709,129.48
  5. Step 5: Solve for x
    x = 898,709,129.48/32,080.50
  6. Step 6: Final answer
    x = 28,014.19

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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.