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Finding the Fourth Proportional to 52,672.65, 78,938.79 and 23,058.24

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Solution

The fourth proportional to 52,672.65, 78,938.79 and 23,058.24 is: 34,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,672.65 : 78,938.79 = 23,058.24 : x
  2. Step 2: Convert to fraction form
    52,672.65/78,938.79 = 23,058.24/x
  3. Step 3: Cross multiply
    52,672.65x = 78,938.79 × 23,058.24
  4. Step 4: Simplify right side
    52,672.65x = 1,820,189,565.13
  5. Step 5: Solve for x
    x = 1,820,189,565.13/52,672.65
  6. Step 6: Final answer
    x = 34,556.64

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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.