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Finding the Fourth Proportional to 10,365.66, 15,544.50 and 3,343.89

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Solution

The fourth proportional to 10,365.66, 15,544.50 and 3,343.89 is: 5,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.66 : 15,544.50 = 3,343.89 : x
  2. Step 2: Convert to fraction form
    10,365.66/15,544.50 = 3,343.89/x
  3. Step 3: Cross multiply
    10,365.66x = 15,544.50 × 3,343.89
  4. Step 4: Simplify right side
    10,365.66x = 51,979,098.11
  5. Step 5: Solve for x
    x = 51,979,098.11/10,365.66
  6. Step 6: Final answer
    x = 5,014.55

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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.