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Finding the Fourth Proportional to 32,808.42, 45,275.04 and 18,660.96

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Solution

The fourth proportional to 32,808.42, 45,275.04 and 18,660.96 is: 25,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.42 : 45,275.04 = 18,660.96 : x
  2. Step 2: Convert to fraction form
    32,808.42/45,275.04 = 18,660.96/x
  3. Step 3: Cross multiply
    32,808.42x = 45,275.04 × 18,660.96
  4. Step 4: Simplify right side
    32,808.42x = 844,875,710.44
  5. Step 5: Solve for x
    x = 844,875,710.44/32,808.42
  6. Step 6: Final answer
    x = 25,751.80

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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.