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Finding the Fourth Proportional to 17,359.13, 26,030.95 and 5,509.54

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Solution

The fourth proportional to 17,359.13, 26,030.95 and 5,509.54 is: 8,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.13 : 26,030.95 = 5,509.54 : x
  2. Step 2: Convert to fraction form
    17,359.13/26,030.95 = 5,509.54/x
  3. Step 3: Cross multiply
    17,359.13x = 26,030.95 × 5,509.54
  4. Step 4: Simplify right side
    17,359.13x = 143,418,560.26
  5. Step 5: Solve for x
    x = 143,418,560.26/17,359.13
  6. Step 6: Final answer
    x = 8,261.85

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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.