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Finding the Fourth Proportional to 7,695.54, 10,620.61 and 4,713.34

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Solution

The fourth proportional to 7,695.54, 10,620.61 and 4,713.34 is: 6,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.54 : 10,620.61 = 4,713.34 : x
  2. Step 2: Convert to fraction form
    7,695.54/10,620.61 = 4,713.34/x
  3. Step 3: Cross multiply
    7,695.54x = 10,620.61 × 4,713.34
  4. Step 4: Simplify right side
    7,695.54x = 50,058,545.94
  5. Step 5: Solve for x
    x = 50,058,545.94/7,695.54
  6. Step 6: Final answer
    x = 6,504.88

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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.