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Finding the Fourth Proportional to 32,956.32, 45,472.80 and 18,808.80

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Solution

The fourth proportional to 32,956.32, 45,472.80 and 18,808.80 is: 25,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,956.32 : 45,472.80 = 18,808.80 : x
  2. Step 2: Convert to fraction form
    32,956.32/45,472.80 = 18,808.80/x
  3. Step 3: Cross multiply
    32,956.32x = 45,472.80 × 18,808.80
  4. Step 4: Simplify right side
    32,956.32x = 855,288,800.64
  5. Step 5: Solve for x
    x = 855,288,800.64/32,956.32
  6. Step 6: Final answer
    x = 25,952.19

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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.