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Finding the Fourth Proportional to 5,479.24, 7,561.54 and 2,995.24

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Solution

The fourth proportional to 5,479.24, 7,561.54 and 2,995.24 is: 4,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.24 : 7,561.54 = 2,995.24 : x
  2. Step 2: Convert to fraction form
    5,479.24/7,561.54 = 2,995.24/x
  3. Step 3: Cross multiply
    5,479.24x = 7,561.54 × 2,995.24
  4. Step 4: Simplify right side
    5,479.24x = 22,648,627.07
  5. Step 5: Solve for x
    x = 22,648,627.07/5,479.24
  6. Step 6: Final answer
    x = 4,133.53

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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.