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Finding the Fourth Proportional to 43,998.66, 66,030.78 and 17,703.62

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Solution

The fourth proportional to 43,998.66, 66,030.78 and 17,703.62 is: 26,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.66 : 66,030.78 = 17,703.62 : x
  2. Step 2: Convert to fraction form
    43,998.66/66,030.78 = 17,703.62/x
  3. Step 3: Cross multiply
    43,998.66x = 66,030.78 × 17,703.62
  4. Step 4: Simplify right side
    43,998.66x = 1,168,983,837.42
  5. Step 5: Solve for x
    x = 1,168,983,837.42/43,998.66
  6. Step 6: Final answer
    x = 26,568.62

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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.