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Finding the Fourth Proportional to 5,248.72, 7,243 and 3,008.99

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Solution

The fourth proportional to 5,248.72, 7,243 and 3,008.99 is: 4,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.72 : 7,243 = 3,008.99 : x
  2. Step 2: Convert to fraction form
    5,248.72/7,243 = 3,008.99/x
  3. Step 3: Cross multiply
    5,248.72x = 7,243 × 3,008.99
  4. Step 4: Simplify right side
    5,248.72x = 21,794,114.57
  5. Step 5: Solve for x
    x = 21,794,114.57/5,248.72
  6. Step 6: Final answer
    x = 4,152.27

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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.