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Finding the Fourth Proportional to 1,970.46, 2,940.44 and 1,752.30

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Solution

The fourth proportional to 1,970.46, 2,940.44 and 1,752.30 is: 2,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.46 : 2,940.44 = 1,752.30 : x
  2. Step 2: Convert to fraction form
    1,970.46/2,940.44 = 1,752.30/x
  3. Step 3: Cross multiply
    1,970.46x = 2,940.44 × 1,752.30
  4. Step 4: Simplify right side
    1,970.46x = 5,152,524.25
  5. Step 5: Solve for x
    x = 5,152,524.25/1,970.46
  6. Step 6: Final answer
    x = 2,614.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.