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Finding the Fourth Proportional to 4,491.48, 6,738.12 and 1,569

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Solution

The fourth proportional to 4,491.48, 6,738.12 and 1,569 is: 2,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.48 : 6,738.12 = 1,569 : x
  2. Step 2: Convert to fraction form
    4,491.48/6,738.12 = 1,569/x
  3. Step 3: Cross multiply
    4,491.48x = 6,738.12 × 1,569
  4. Step 4: Simplify right side
    4,491.48x = 10,572,110.28
  5. Step 5: Solve for x
    x = 10,572,110.28/4,491.48
  6. Step 6: Final answer
    x = 2,353.81

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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.