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Finding the Fourth Proportional to 2,384.87, 3,576.62 and 824.46

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Solution

The fourth proportional to 2,384.87, 3,576.62 and 824.46 is: 1,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.87 : 3,576.62 = 824.46 : x
  2. Step 2: Convert to fraction form
    2,384.87/3,576.62 = 824.46/x
  3. Step 3: Cross multiply
    2,384.87x = 3,576.62 × 824.46
  4. Step 4: Simplify right side
    2,384.87x = 2,948,776.00
  5. Step 5: Solve for x
    x = 2,948,776.00/2,384.87
  6. Step 6: Final answer
    x = 1,236.45

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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.