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Finding the Fourth Proportional to 1,576.76, 2,365.82 and 882.38

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Solution

The fourth proportional to 1,576.76, 2,365.82 and 882.38 is: 1,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.76 : 2,365.82 = 882.38 : x
  2. Step 2: Convert to fraction form
    1,576.76/2,365.82 = 882.38/x
  3. Step 3: Cross multiply
    1,576.76x = 2,365.82 × 882.38
  4. Step 4: Simplify right side
    1,576.76x = 2,087,560.37
  5. Step 5: Solve for x
    x = 2,087,560.37/1,576.76
  6. Step 6: Final answer
    x = 1,323.96

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1.5x scale

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.