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Finding the Fourth Proportional to 8,887.82, 12,266.33 and 5,534.01

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Solution

The fourth proportional to 8,887.82, 12,266.33 and 5,534.01 is: 7,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.82 : 12,266.33 = 5,534.01 : x
  2. Step 2: Convert to fraction form
    8,887.82/12,266.33 = 5,534.01/x
  3. Step 3: Cross multiply
    8,887.82x = 12,266.33 × 5,534.01
  4. Step 4: Simplify right side
    8,887.82x = 67,881,965.21
  5. Step 5: Solve for x
    x = 67,881,965.21/8,887.82
  6. Step 6: Final answer
    x = 7,637.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.