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Finding the Fourth Proportional to 8,754.58, 13,130.07 and 2,513.22

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Solution

The fourth proportional to 8,754.58, 13,130.07 and 2,513.22 is: 3,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.58 : 13,130.07 = 2,513.22 : x
  2. Step 2: Convert to fraction form
    8,754.58/13,130.07 = 2,513.22/x
  3. Step 3: Cross multiply
    8,754.58x = 13,130.07 × 2,513.22
  4. Step 4: Simplify right side
    8,754.58x = 32,998,754.53
  5. Step 5: Solve for x
    x = 32,998,754.53/8,754.58
  6. Step 6: Final answer
    x = 3,769.31

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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.