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Finding the Fourth Proportional to 15,126.01, 20,870.84 and 8,837.17

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Solution

The fourth proportional to 15,126.01, 20,870.84 and 8,837.17 is: 12,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.01 : 20,870.84 = 8,837.17 : x
  2. Step 2: Convert to fraction form
    15,126.01/20,870.84 = 8,837.17/x
  3. Step 3: Cross multiply
    15,126.01x = 20,870.84 × 8,837.17
  4. Step 4: Simplify right side
    15,126.01x = 184,439,116.94
  5. Step 5: Solve for x
    x = 184,439,116.94/15,126.01
  6. Step 6: Final answer
    x = 12,193.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.