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Finding the Fourth Proportional to 5,510.88, 7,604.16 and 3,523.20

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Solution

The fourth proportional to 5,510.88, 7,604.16 and 3,523.20 is: 4,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.88 : 7,604.16 = 3,523.20 : x
  2. Step 2: Convert to fraction form
    5,510.88/7,604.16 = 3,523.20/x
  3. Step 3: Cross multiply
    5,510.88x = 7,604.16 × 3,523.20
  4. Step 4: Simplify right side
    5,510.88x = 26,790,976.51
  5. Step 5: Solve for x
    x = 26,790,976.51/5,510.88
  6. Step 6: Final answer
    x = 4,861.47

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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.