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Finding the Fourth Proportional to 15,388.47, 23,073.47 and 7,058.05

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Solution

The fourth proportional to 15,388.47, 23,073.47 and 7,058.05 is: 10,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.47 : 23,073.47 = 7,058.05 : x
  2. Step 2: Convert to fraction form
    15,388.47/23,073.47 = 7,058.05/x
  3. Step 3: Cross multiply
    15,388.47x = 23,073.47 × 7,058.05
  4. Step 4: Simplify right side
    15,388.47x = 162,853,611.96
  5. Step 5: Solve for x
    x = 162,853,611.96/15,388.47
  6. Step 6: Final answer
    x = 10,582.83

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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.