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Finding the Fourth Proportional to 10,810.74, 16,110.15 and 10,458.39

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Solution

The fourth proportional to 10,810.74, 16,110.15 and 10,458.39 is: 15,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.74 : 16,110.15 = 10,458.39 : x
  2. Step 2: Convert to fraction form
    10,810.74/16,110.15 = 10,458.39/x
  3. Step 3: Cross multiply
    10,810.74x = 16,110.15 × 10,458.39
  4. Step 4: Simplify right side
    10,810.74x = 168,486,231.66
  5. Step 5: Solve for x
    x = 168,486,231.66/10,810.74
  6. Step 6: Final answer
    x = 15,585.08

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.