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Finding the Fourth Proportional to 8,752.98, 13,129.31 and 2,513.03

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Solution

The fourth proportional to 8,752.98, 13,129.31 and 2,513.03 is: 3,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.98 : 13,129.31 = 2,513.03 : x
  2. Step 2: Convert to fraction form
    8,752.98/13,129.31 = 2,513.03/x
  3. Step 3: Cross multiply
    8,752.98x = 13,129.31 × 2,513.03
  4. Step 4: Simplify right side
    8,752.98x = 32,994,271.70
  5. Step 5: Solve for x
    x = 32,994,271.70/8,752.98
  6. Step 6: Final answer
    x = 3,769.49

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Similar ratio
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1.5x scale

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.