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Finding the Fourth Proportional to 15,124.16, 22,726.34 and 8,109.34

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Solution

The fourth proportional to 15,124.16, 22,726.34 and 8,109.34 is: 12,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.16 : 22,726.34 = 8,109.34 : x
  2. Step 2: Convert to fraction form
    15,124.16/22,726.34 = 8,109.34/x
  3. Step 3: Cross multiply
    15,124.16x = 22,726.34 × 8,109.34
  4. Step 4: Simplify right side
    15,124.16x = 184,295,618.02
  5. Step 5: Solve for x
    x = 184,295,618.02/15,124.16
  6. Step 6: Final answer
    x = 12,185.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.