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Finding the Fourth Proportional to 55,593.69, 83,403.72 and 18,153.78

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Solution

The fourth proportional to 55,593.69, 83,403.72 and 18,153.78 is: 27,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.69 : 83,403.72 = 18,153.78 : x
  2. Step 2: Convert to fraction form
    55,593.69/83,403.72 = 18,153.78/x
  3. Step 3: Cross multiply
    55,593.69x = 83,403.72 × 18,153.78
  4. Step 4: Simplify right side
    55,593.69x = 1,514,092,784.06
  5. Step 5: Solve for x
    x = 1,514,092,784.06/55,593.69
  6. Step 6: Final answer
    x = 27,234.98

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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.