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Finding the Fourth Proportional to 32,906.75, 45,411.32 and 18,002.75

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Solution

The fourth proportional to 32,906.75, 45,411.32 and 18,002.75 is: 24,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,906.75 : 45,411.32 = 18,002.75 : x
  2. Step 2: Convert to fraction form
    32,906.75/45,411.32 = 18,002.75/x
  3. Step 3: Cross multiply
    32,906.75x = 45,411.32 × 18,002.75
  4. Step 4: Simplify right side
    32,906.75x = 817,528,551.12
  5. Step 5: Solve for x
    x = 817,528,551.12/32,906.75
  6. Step 6: Final answer
    x = 24,843.80

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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.