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Finding the Fourth Proportional to 2,384.03, 3,576.65 and 922.79

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Solution

The fourth proportional to 2,384.03, 3,576.65 and 922.79 is: 1,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.03 : 3,576.65 = 922.79 : x
  2. Step 2: Convert to fraction form
    2,384.03/3,576.65 = 922.79/x
  3. Step 3: Cross multiply
    2,384.03x = 3,576.65 × 922.79
  4. Step 4: Simplify right side
    2,384.03x = 3,300,474.36
  5. Step 5: Solve for x
    x = 3,300,474.36/2,384.03
  6. Step 6: Final answer
    x = 1,384.41

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1.5x scale

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.