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Finding the Fourth Proportional to 1,714.99, 2,572.04 and 674.99

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Solution

The fourth proportional to 1,714.99, 2,572.04 and 674.99 is: 1,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.99 : 2,572.04 = 674.99 : x
  2. Step 2: Convert to fraction form
    1,714.99/2,572.04 = 674.99/x
  3. Step 3: Cross multiply
    1,714.99x = 2,572.04 × 674.99
  4. Step 4: Simplify right side
    1,714.99x = 1,736,101.28
  5. Step 5: Solve for x
    x = 1,736,101.28/1,714.99
  6. Step 6: Final answer
    x = 1,012.31

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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.