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Finding the Fourth Proportional to 52,942.48, 79,407.91 and 15,502.93

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Solution

The fourth proportional to 52,942.48, 79,407.91 and 15,502.93 is: 23,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,942.48 : 79,407.91 = 15,502.93 : x
  2. Step 2: Convert to fraction form
    52,942.48/79,407.91 = 15,502.93/x
  3. Step 3: Cross multiply
    52,942.48x = 79,407.91 × 15,502.93
  4. Step 4: Simplify right side
    52,942.48x = 1,231,055,091.04
  5. Step 5: Solve for x
    x = 1,231,055,091.04/52,942.48
  6. Step 6: Final answer
    x = 23,252.69

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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.