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Finding the Fourth Proportional to 8,993.67, 13,492.11 and 2,753.55

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Solution

The fourth proportional to 8,993.67, 13,492.11 and 2,753.55 is: 4,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.67 : 13,492.11 = 2,753.55 : x
  2. Step 2: Convert to fraction form
    8,993.67/13,492.11 = 2,753.55/x
  3. Step 3: Cross multiply
    8,993.67x = 13,492.11 × 2,753.55
  4. Step 4: Simplify right side
    8,993.67x = 37,151,199.49
  5. Step 5: Solve for x
    x = 37,151,199.49/8,993.67
  6. Step 6: Final answer
    x = 4,130.82

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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.