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Finding the Fourth Proportional to 2,896.17, 4,344.71 and 947.93

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Solution

The fourth proportional to 2,896.17, 4,344.71 and 947.93 is: 1,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.17 : 4,344.71 = 947.93 : x
  2. Step 2: Convert to fraction form
    2,896.17/4,344.71 = 947.93/x
  3. Step 3: Cross multiply
    2,896.17x = 4,344.71 × 947.93
  4. Step 4: Simplify right side
    2,896.17x = 4,118,454.49
  5. Step 5: Solve for x
    x = 4,118,454.49/2,896.17
  6. Step 6: Final answer
    x = 1,422.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.