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Finding the Fourth Proportional to 8,703.39, 13,057.23 and 2,547.39

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Solution

The fourth proportional to 8,703.39, 13,057.23 and 2,547.39 is: 3,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.39 : 13,057.23 = 2,547.39 : x
  2. Step 2: Convert to fraction form
    8,703.39/13,057.23 = 2,547.39/x
  3. Step 3: Cross multiply
    8,703.39x = 13,057.23 × 2,547.39
  4. Step 4: Simplify right side
    8,703.39x = 33,261,857.13
  5. Step 5: Solve for x
    x = 33,261,857.13/8,703.39
  6. Step 6: Final answer
    x = 3,821.71

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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.