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Finding the Fourth Proportional to 73,034.64, 109,551.96 and 26,286.32

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Solution

The fourth proportional to 73,034.64, 109,551.96 and 26,286.32 is: 39,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,034.64 : 109,551.96 = 26,286.32 : x
  2. Step 2: Convert to fraction form
    73,034.64/109,551.96 = 26,286.32/x
  3. Step 3: Cross multiply
    73,034.64x = 109,551.96 × 26,286.32
  4. Step 4: Simplify right side
    73,034.64x = 2,879,717,877.19
  5. Step 5: Solve for x
    x = 2,879,717,877.19/73,034.64
  6. Step 6: Final answer
    x = 39,429.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.