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Finding the Fourth Proportional to 8,985.69, 13,476.68 and 2,410.31

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Solution

The fourth proportional to 8,985.69, 13,476.68 and 2,410.31 is: 3,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.69 : 13,476.68 = 2,410.31 : x
  2. Step 2: Convert to fraction form
    8,985.69/13,476.68 = 2,410.31/x
  3. Step 3: Cross multiply
    8,985.69x = 13,476.68 × 2,410.31
  4. Step 4: Simplify right side
    8,985.69x = 32,483,007.25
  5. Step 5: Solve for x
    x = 32,483,007.25/8,985.69
  6. Step 6: Final answer
    x = 3,614.97

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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.