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Finding the Fourth Proportional to 59,866.74, 89,855.76 and 30,305.52

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Solution

The fourth proportional to 59,866.74, 89,855.76 and 30,305.52 is: 45,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,866.74 : 89,855.76 = 30,305.52 : x
  2. Step 2: Convert to fraction form
    59,866.74/89,855.76 = 30,305.52/x
  3. Step 3: Cross multiply
    59,866.74x = 89,855.76 × 30,305.52
  4. Step 4: Simplify right side
    59,866.74x = 2,723,125,531.80
  5. Step 5: Solve for x
    x = 2,723,125,531.80/59,866.74
  6. Step 6: Final answer
    x = 45,486.45

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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.