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Finding the Fourth Proportional to 10,323.78, 15,484.85 and 3,751.44

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Solution

The fourth proportional to 10,323.78, 15,484.85 and 3,751.44 is: 5,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.78 : 15,484.85 = 3,751.44 : x
  2. Step 2: Convert to fraction form
    10,323.78/15,484.85 = 3,751.44/x
  3. Step 3: Cross multiply
    10,323.78x = 15,484.85 × 3,751.44
  4. Step 4: Simplify right side
    10,323.78x = 58,090,466.93
  5. Step 5: Solve for x
    x = 58,090,466.93/10,323.78
  6. Step 6: Final answer
    x = 5,626.86

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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.