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Finding the Fourth Proportional to 32,954.64, 45,480.65 and 18,809.61

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Solution

The fourth proportional to 32,954.64, 45,480.65 and 18,809.61 is: 25,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,954.64 : 45,480.65 = 18,809.61 : x
  2. Step 2: Convert to fraction form
    32,954.64/45,480.65 = 18,809.61/x
  3. Step 3: Cross multiply
    32,954.64x = 45,480.65 × 18,809.61
  4. Step 4: Simplify right side
    32,954.64x = 855,473,289.05
  5. Step 5: Solve for x
    x = 855,473,289.05/32,954.64
  6. Step 6: Final answer
    x = 25,959.11

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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.