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Finding the Fourth Proportional to 1,834.94, 2,753.20 and 958.10

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Solution

The fourth proportional to 1,834.94, 2,753.20 and 958.10 is: 1,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.94 : 2,753.20 = 958.10 : x
  2. Step 2: Convert to fraction form
    1,834.94/2,753.20 = 958.10/x
  3. Step 3: Cross multiply
    1,834.94x = 2,753.20 × 958.10
  4. Step 4: Simplify right side
    1,834.94x = 2,637,835.08
  5. Step 5: Solve for x
    x = 2,637,835.08/1,834.94
  6. Step 6: Final answer
    x = 1,437.56

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Why These Related Problems?

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