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Finding the Fourth Proportional to 55,595.78, 83,398.79 and 18,156.04

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Solution

The fourth proportional to 55,595.78, 83,398.79 and 18,156.04 is: 27,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.78 : 83,398.79 = 18,156.04 : x
  2. Step 2: Convert to fraction form
    55,595.78/83,398.79 = 18,156.04/x
  3. Step 3: Cross multiply
    55,595.78x = 83,398.79 × 18,156.04
  4. Step 4: Simplify right side
    55,595.78x = 1,514,192,132.06
  5. Step 5: Solve for x
    x = 1,514,192,132.06/55,595.78
  6. Step 6: Final answer
    x = 27,235.74

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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.