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Finding the Fourth Proportional to 8,753.35, 13,119.08 and 4,372.03

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Solution

The fourth proportional to 8,753.35, 13,119.08 and 4,372.03 is: 6,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.35 : 13,119.08 = 4,372.03 : x
  2. Step 2: Convert to fraction form
    8,753.35/13,119.08 = 4,372.03/x
  3. Step 3: Cross multiply
    8,753.35x = 13,119.08 × 4,372.03
  4. Step 4: Simplify right side
    8,753.35x = 57,356,989.47
  5. Step 5: Solve for x
    x = 57,356,989.47/8,753.35
  6. Step 6: Final answer
    x = 6,552.58

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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.