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Finding the Fourth Proportional to 8,886.81, 12,263.89 and 4,908.02

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Solution

The fourth proportional to 8,886.81, 12,263.89 and 4,908.02 is: 6,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.81 : 12,263.89 = 4,908.02 : x
  2. Step 2: Convert to fraction form
    8,886.81/12,263.89 = 4,908.02/x
  3. Step 3: Cross multiply
    8,886.81x = 12,263.89 × 4,908.02
  4. Step 4: Simplify right side
    8,886.81x = 60,191,417.40
  5. Step 5: Solve for x
    x = 60,191,417.40/8,886.81
  6. Step 6: Final answer
    x = 6,773.12

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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.