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Finding the Fourth Proportional to 5,089.17, 7,583.78 and 4,921.94

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Solution

The fourth proportional to 5,089.17, 7,583.78 and 4,921.94 is: 7,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.17 : 7,583.78 = 4,921.94 : x
  2. Step 2: Convert to fraction form
    5,089.17/7,583.78 = 4,921.94/x
  3. Step 3: Cross multiply
    5,089.17x = 7,583.78 × 4,921.94
  4. Step 4: Simplify right side
    5,089.17x = 37,326,941.40
  5. Step 5: Solve for x
    x = 37,326,941.40/5,089.17
  6. Step 6: Final answer
    x = 7,334.58

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.