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Finding the Fourth Proportional to 8,887.42, 12,264.51 and 4,908.45

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Solution

The fourth proportional to 8,887.42, 12,264.51 and 4,908.45 is: 6,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.42 : 12,264.51 = 4,908.45 : x
  2. Step 2: Convert to fraction form
    8,887.42/12,264.51 = 4,908.45/x
  3. Step 3: Cross multiply
    8,887.42x = 12,264.51 × 4,908.45
  4. Step 4: Simplify right side
    8,887.42x = 60,199,729.52
  5. Step 5: Solve for x
    x = 60,199,729.52/8,887.42
  6. Step 6: Final answer
    x = 6,773.59

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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.