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Finding the Fourth Proportional to 8,837.13, 13,243.98 and 4,889.28

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Solution

The fourth proportional to 8,837.13, 13,243.98 and 4,889.28 is: 7,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.13 : 13,243.98 = 4,889.28 : x
  2. Step 2: Convert to fraction form
    8,837.13/13,243.98 = 4,889.28/x
  3. Step 3: Cross multiply
    8,837.13x = 13,243.98 × 4,889.28
  4. Step 4: Simplify right side
    8,837.13x = 64,753,526.53
  5. Step 5: Solve for x
    x = 64,753,526.53/8,837.13
  6. Step 6: Final answer
    x = 7,327.44

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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.