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Finding the Fourth Proportional to 52,773.76, 79,141.47 and 15,323.68

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Solution

The fourth proportional to 52,773.76, 79,141.47 and 15,323.68 is: 22,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773.76 : 79,141.47 = 15,323.68 : x
  2. Step 2: Convert to fraction form
    52,773.76/79,141.47 = 15,323.68/x
  3. Step 3: Cross multiply
    52,773.76x = 79,141.47 × 15,323.68
  4. Step 4: Simplify right side
    52,773.76x = 1,212,738,561.01
  5. Step 5: Solve for x
    x = 1,212,738,561.01/52,773.76
  6. Step 6: Final answer
    x = 22,979.95

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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.