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Finding the Fourth Proportional to 1,700.76, 2,543.69 and 1,576.22

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Solution

The fourth proportional to 1,700.76, 2,543.69 and 1,576.22 is: 2,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.76 : 2,543.69 = 1,576.22 : x
  2. Step 2: Convert to fraction form
    1,700.76/2,543.69 = 1,576.22/x
  3. Step 3: Cross multiply
    1,700.76x = 2,543.69 × 1,576.22
  4. Step 4: Simplify right side
    1,700.76x = 4,009,425.35
  5. Step 5: Solve for x
    x = 4,009,425.35/1,700.76
  6. Step 6: Final answer
    x = 2,357.43

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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.