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Finding the Fourth Proportional to 2,752.85, 3,800.24 and 1,573.70

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Solution

The fourth proportional to 2,752.85, 3,800.24 and 1,573.70 is: 2,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.85 : 3,800.24 = 1,573.70 : x
  2. Step 2: Convert to fraction form
    2,752.85/3,800.24 = 1,573.70/x
  3. Step 3: Cross multiply
    2,752.85x = 3,800.24 × 1,573.70
  4. Step 4: Simplify right side
    2,752.85x = 5,980,410.82
  5. Step 5: Solve for x
    x = 5,980,410.82/2,752.85
  6. Step 6: Final answer
    x = 2,172.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.