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Finding the Fourth Proportional to 17,071, 25,621.08 and 6,690.04

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Solution

The fourth proportional to 17,071, 25,621.08 and 6,690.04 is: 10,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071 : 25,621.08 = 6,690.04 : x
  2. Step 2: Convert to fraction form
    17,071/25,621.08 = 6,690.04/x
  3. Step 3: Cross multiply
    17,071x = 25,621.08 × 6,690.04
  4. Step 4: Simplify right side
    17,071x = 171,406,050.04
  5. Step 5: Solve for x
    x = 171,406,050.04/17,071
  6. Step 6: Final answer
    x = 10,040.77

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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.