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Finding the Fourth Proportional to 37,041.58, 55,564.16 and 12,081.58

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Solution

The fourth proportional to 37,041.58, 55,564.16 and 12,081.58 is: 18,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.58 : 55,564.16 = 12,081.58 : x
  2. Step 2: Convert to fraction form
    37,041.58/55,564.16 = 12,081.58/x
  3. Step 3: Cross multiply
    37,041.58x = 55,564.16 × 12,081.58
  4. Step 4: Simplify right side
    37,041.58x = 671,302,644.85
  5. Step 5: Solve for x
    x = 671,302,644.85/37,041.58
  6. Step 6: Final answer
    x = 18,122.95

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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.