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Finding the Fourth Proportional to 1,177.63, 1,764.92 and 882.82

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Solution

The fourth proportional to 1,177.63, 1,764.92 and 882.82 is: 1,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.63 : 1,764.92 = 882.82 : x
  2. Step 2: Convert to fraction form
    1,177.63/1,764.92 = 882.82/x
  3. Step 3: Cross multiply
    1,177.63x = 1,764.92 × 882.82
  4. Step 4: Simplify right side
    1,177.63x = 1,558,106.67
  5. Step 5: Solve for x
    x = 1,558,106.67/1,177.63
  6. Step 6: Final answer
    x = 1,323.09

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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.