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Finding the Fourth Proportional to 7,751.48, 10,701.09 and 5,103.09

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Solution

The fourth proportional to 7,751.48, 10,701.09 and 5,103.09 is: 7,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.48 : 10,701.09 = 5,103.09 : x
  2. Step 2: Convert to fraction form
    7,751.48/10,701.09 = 5,103.09/x
  3. Step 3: Cross multiply
    7,751.48x = 10,701.09 × 5,103.09
  4. Step 4: Simplify right side
    7,751.48x = 54,608,625.37
  5. Step 5: Solve for x
    x = 54,608,625.37/7,751.48
  6. Step 6: Final answer
    x = 7,044.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.