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Finding the Fourth Proportional to 55,003.50, 75,904.83 and 36,174.24

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Solution

The fourth proportional to 55,003.50, 75,904.83 and 36,174.24 is: 49,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,003.50 : 75,904.83 = 36,174.24 : x
  2. Step 2: Convert to fraction form
    55,003.50/75,904.83 = 36,174.24/x
  3. Step 3: Cross multiply
    55,003.50x = 75,904.83 × 36,174.24
  4. Step 4: Simplify right side
    55,003.50x = 2,745,799,537.58
  5. Step 5: Solve for x
    x = 2,745,799,537.58/55,003.50
  6. Step 6: Final answer
    x = 49,920.45

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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.