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Finding the Fourth Proportional to 73,644.93, 110,434.59 and 26,865

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Solution

The fourth proportional to 73,644.93, 110,434.59 and 26,865 is: 40,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,644.93 : 110,434.59 = 26,865 : x
  2. Step 2: Convert to fraction form
    73,644.93/110,434.59 = 26,865/x
  3. Step 3: Cross multiply
    73,644.93x = 110,434.59 × 26,865
  4. Step 4: Simplify right side
    73,644.93x = 2,966,825,260.35
  5. Step 5: Solve for x
    x = 2,966,825,260.35/73,644.93
  6. Step 6: Final answer
    x = 40,285.53

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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.