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Finding the Fourth Proportional to 37,357.01, 56,039.61 and 18,641.76

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Solution

The fourth proportional to 37,357.01, 56,039.61 and 18,641.76 is: 27,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,357.01 : 56,039.61 = 18,641.76 : x
  2. Step 2: Convert to fraction form
    37,357.01/56,039.61 = 18,641.76/x
  3. Step 3: Cross multiply
    37,357.01x = 56,039.61 × 18,641.76
  4. Step 4: Simplify right side
    37,357.01x = 1,044,676,819.87
  5. Step 5: Solve for x
    x = 1,044,676,819.87/37,357.01
  6. Step 6: Final answer
    x = 27,964.68

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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.