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Finding the Fourth Proportional to 8,922.98, 12,312.52 and 4,943.59

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Solution

The fourth proportional to 8,922.98, 12,312.52 and 4,943.59 is: 6,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.98 : 12,312.52 = 4,943.59 : x
  2. Step 2: Convert to fraction form
    8,922.98/12,312.52 = 4,943.59/x
  3. Step 3: Cross multiply
    8,922.98x = 12,312.52 × 4,943.59
  4. Step 4: Simplify right side
    8,922.98x = 60,868,007.61
  5. Step 5: Solve for x
    x = 60,868,007.61/8,922.98
  6. Step 6: Final answer
    x = 6,821.49

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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.