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Finding the Fourth Proportional to 3,532.68, 5,299.02 and 1,224

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Solution

The fourth proportional to 3,532.68, 5,299.02 and 1,224 is: 1,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.68 : 5,299.02 = 1,224 : x
  2. Step 2: Convert to fraction form
    3,532.68/5,299.02 = 1,224/x
  3. Step 3: Cross multiply
    3,532.68x = 5,299.02 × 1,224
  4. Step 4: Simplify right side
    3,532.68x = 6,486,000.48
  5. Step 5: Solve for x
    x = 6,486,000.48/3,532.68
  6. Step 6: Final answer
    x = 1,836.00

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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.