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Finding the Fourth Proportional to 1,753.94, 2,630.88 and 713.95

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Solution

The fourth proportional to 1,753.94, 2,630.88 and 713.95 is: 1,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.94 : 2,630.88 = 713.95 : x
  2. Step 2: Convert to fraction form
    1,753.94/2,630.88 = 713.95/x
  3. Step 3: Cross multiply
    1,753.94x = 2,630.88 × 713.95
  4. Step 4: Simplify right side
    1,753.94x = 1,878,310.20
  5. Step 5: Solve for x
    x = 1,878,310.20/1,753.94
  6. Step 6: Final answer
    x = 1,070.91

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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.