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Finding the Fourth Proportional to 2,905.99, 4,358.55 and 957.94

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Solution

The fourth proportional to 2,905.99, 4,358.55 and 957.94 is: 1,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.99 : 4,358.55 = 957.94 : x
  2. Step 2: Convert to fraction form
    2,905.99/4,358.55 = 957.94/x
  3. Step 3: Cross multiply
    2,905.99x = 4,358.55 × 957.94
  4. Step 4: Simplify right side
    2,905.99x = 4,175,222.08
  5. Step 5: Solve for x
    x = 4,175,222.08/2,905.99
  6. Step 6: Final answer
    x = 1,436.77

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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.