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Finding the Fourth Proportional to 7,504.54, 10,349.97 and 5,620.54

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Solution

The fourth proportional to 7,504.54, 10,349.97 and 5,620.54 is: 7,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.54 : 10,349.97 = 5,620.54 : x
  2. Step 2: Convert to fraction form
    7,504.54/10,349.97 = 5,620.54/x
  3. Step 3: Cross multiply
    7,504.54x = 10,349.97 × 5,620.54
  4. Step 4: Simplify right side
    7,504.54x = 58,172,420.38
  5. Step 5: Solve for x
    x = 58,172,420.38/7,504.54
  6. Step 6: Final answer
    x = 7,751.63

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Half scale
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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.