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Finding the Fourth Proportional to 32,956.50, 45,479.97 and 18,809.04

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Solution

The fourth proportional to 32,956.50, 45,479.97 and 18,809.04 is: 25,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,956.50 : 45,479.97 = 18,809.04 : x
  2. Step 2: Convert to fraction form
    32,956.50/45,479.97 = 18,809.04/x
  3. Step 3: Cross multiply
    32,956.50x = 45,479.97 × 18,809.04
  4. Step 4: Simplify right side
    32,956.50x = 855,434,574.93
  5. Step 5: Solve for x
    x = 855,434,574.93/32,956.50
  6. Step 6: Final answer
    x = 25,956.48

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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.