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Finding the Fourth Proportional to 13,232, 18,275.52 and 8,808.32

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Solution

The fourth proportional to 13,232, 18,275.52 and 8,808.32 is: 12,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232 : 18,275.52 = 8,808.32 : x
  2. Step 2: Convert to fraction form
    13,232/18,275.52 = 8,808.32/x
  3. Step 3: Cross multiply
    13,232x = 18,275.52 × 8,808.32
  4. Step 4: Simplify right side
    13,232x = 160,976,628.33
  5. Step 5: Solve for x
    x = 160,976,628.33/13,232
  6. Step 6: Final answer
    x = 12,165.71

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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.