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Finding the Fourth Proportional to 55,009.44, 75,920.40 and 32,654.88

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Solution

The fourth proportional to 55,009.44, 75,920.40 and 32,654.88 is: 45,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.44 : 75,920.40 = 32,654.88 : x
  2. Step 2: Convert to fraction form
    55,009.44/75,920.40 = 32,654.88/x
  3. Step 3: Cross multiply
    55,009.44x = 75,920.40 × 32,654.88
  4. Step 4: Simplify right side
    55,009.44x = 2,479,171,551.55
  5. Step 5: Solve for x
    x = 2,479,171,551.55/55,009.44
  6. Step 6: Final answer
    x = 45,068.11

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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.