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Finding the Fourth Proportional to 40,403.88, 60,631.90 and 17,030.44

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Solution

The fourth proportional to 40,403.88, 60,631.90 and 17,030.44 is: 25,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.88 : 60,631.90 = 17,030.44 : x
  2. Step 2: Convert to fraction form
    40,403.88/60,631.90 = 17,030.44/x
  3. Step 3: Cross multiply
    40,403.88x = 60,631.90 × 17,030.44
  4. Step 4: Simplify right side
    40,403.88x = 1,032,587,935.04
  5. Step 5: Solve for x
    x = 1,032,587,935.04/40,403.88
  6. Step 6: Final answer
    x = 25,556.65

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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.