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Finding the Fourth Proportional to 1,754.55, 2,633.33 and 715.12

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Solution

The fourth proportional to 1,754.55, 2,633.33 and 715.12 is: 1,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.55 : 2,633.33 = 715.12 : x
  2. Step 2: Convert to fraction form
    1,754.55/2,633.33 = 715.12/x
  3. Step 3: Cross multiply
    1,754.55x = 2,633.33 × 715.12
  4. Step 4: Simplify right side
    1,754.55x = 1,883,148.74
  5. Step 5: Solve for x
    x = 1,883,148.74/1,754.55
  6. Step 6: Final answer
    x = 1,073.30

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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.