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Finding the Fourth Proportional to 32,487.43, 44,832.30 and 18,340.87

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Solution

The fourth proportional to 32,487.43, 44,832.30 and 18,340.87 is: 25,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,487.43 : 44,832.30 = 18,340.87 : x
  2. Step 2: Convert to fraction form
    32,487.43/44,832.30 = 18,340.87/x
  3. Step 3: Cross multiply
    32,487.43x = 44,832.30 × 18,340.87
  4. Step 4: Simplify right side
    32,487.43x = 822,263,386.10
  5. Step 5: Solve for x
    x = 822,263,386.10/32,487.43
  6. Step 6: Final answer
    x = 25,310.20

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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.