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Finding the Fourth Proportional to 2,895.94, 4,342.50 and 947.62

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Solution

The fourth proportional to 2,895.94, 4,342.50 and 947.62 is: 1,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.94 : 4,342.50 = 947.62 : x
  2. Step 2: Convert to fraction form
    2,895.94/4,342.50 = 947.62/x
  3. Step 3: Cross multiply
    2,895.94x = 4,342.50 × 947.62
  4. Step 4: Simplify right side
    2,895.94x = 4,115,039.85
  5. Step 5: Solve for x
    x = 4,115,039.85/2,895.94
  6. Step 6: Final answer
    x = 1,420.97

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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.