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Finding the Fourth Proportional to 5,279.36, 7,927.24 and 5,045.62

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Solution

The fourth proportional to 5,279.36, 7,927.24 and 5,045.62 is: 7,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.36 : 7,927.24 = 5,045.62 : x
  2. Step 2: Convert to fraction form
    5,279.36/7,927.24 = 5,045.62/x
  3. Step 3: Cross multiply
    5,279.36x = 7,927.24 × 5,045.62
  4. Step 4: Simplify right side
    5,279.36x = 39,997,840.69
  5. Step 5: Solve for x
    x = 39,997,840.69/5,279.36
  6. Step 6: Final answer
    x = 7,576.27

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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.