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Finding the Fourth Proportional to 17,068.61, 25,605.08 and 6,679.01

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Solution

The fourth proportional to 17,068.61, 25,605.08 and 6,679.01 is: 10,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.61 : 25,605.08 = 6,679.01 : x
  2. Step 2: Convert to fraction form
    17,068.61/25,605.08 = 6,679.01/x
  3. Step 3: Cross multiply
    17,068.61x = 25,605.08 × 6,679.01
  4. Step 4: Simplify right side
    17,068.61x = 171,016,423.95
  5. Step 5: Solve for x
    x = 171,016,423.95/17,068.61
  6. Step 6: Final answer
    x = 10,019.36

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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.