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Finding the Fourth Proportional to 1,704.38, 2,555.21 and 882.77

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Solution

The fourth proportional to 1,704.38, 2,555.21 and 882.77 is: 1,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.38 : 2,555.21 = 882.77 : x
  2. Step 2: Convert to fraction form
    1,704.38/2,555.21 = 882.77/x
  3. Step 3: Cross multiply
    1,704.38x = 2,555.21 × 882.77
  4. Step 4: Simplify right side
    1,704.38x = 2,255,652.16
  5. Step 5: Solve for x
    x = 2,255,652.16/1,704.38
  6. Step 6: Final answer
    x = 1,323.45

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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.