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Finding the Fourth Proportional to 52,501.33, 78,751.84 and 13,058.44

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Solution

The fourth proportional to 52,501.33, 78,751.84 and 13,058.44 is: 19,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.33 : 78,751.84 = 13,058.44 : x
  2. Step 2: Convert to fraction form
    52,501.33/78,751.84 = 13,058.44/x
  3. Step 3: Cross multiply
    52,501.33x = 78,751.84 × 13,058.44
  4. Step 4: Simplify right side
    52,501.33x = 1,028,376,021.83
  5. Step 5: Solve for x
    x = 1,028,376,021.83/52,501.33
  6. Step 6: Final answer
    x = 19,587.62

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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.