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Finding the Fourth Proportional to 11,068, 15,274.80 and 6,100.96

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Solution

The fourth proportional to 11,068, 15,274.80 and 6,100.96 is: 8,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068 : 15,274.80 = 6,100.96 : x
  2. Step 2: Convert to fraction form
    11,068/15,274.80 = 6,100.96/x
  3. Step 3: Cross multiply
    11,068x = 15,274.80 × 6,100.96
  4. Step 4: Simplify right side
    11,068x = 93,190,943.81
  5. Step 5: Solve for x
    x = 93,190,943.81/11,068
  6. Step 6: Final answer
    x = 8,419.85

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Why These Related Problems?

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