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Finding the Fourth Proportional to 1,752.93, 2,630.50 and 712.96

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Solution

The fourth proportional to 1,752.93, 2,630.50 and 712.96 is: 1,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.93 : 2,630.50 = 712.96 : x
  2. Step 2: Convert to fraction form
    1,752.93/2,630.50 = 712.96/x
  3. Step 3: Cross multiply
    1,752.93x = 2,630.50 × 712.96
  4. Step 4: Simplify right side
    1,752.93x = 1,875,432.92
  5. Step 5: Solve for x
    x = 1,875,432.92/1,752.93
  6. Step 6: Final answer
    x = 1,069.88

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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.