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Finding the Fourth Proportional to 3,572.70, 5,360.15 and 1,599.99

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Solution

The fourth proportional to 3,572.70, 5,360.15 and 1,599.99 is: 2,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.70 : 5,360.15 = 1,599.99 : x
  2. Step 2: Convert to fraction form
    3,572.70/5,360.15 = 1,599.99/x
  3. Step 3: Cross multiply
    3,572.70x = 5,360.15 × 1,599.99
  4. Step 4: Simplify right side
    3,572.70x = 8,576,151.60
  5. Step 5: Solve for x
    x = 8,576,151.60/3,572.70
  6. Step 6: Final answer
    x = 2,400.47

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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.