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Finding the Fourth Proportional to 10,410.92, 14,367.06 and 5,695.20

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Solution

The fourth proportional to 10,410.92, 14,367.06 and 5,695.20 is: 7,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.92 : 14,367.06 = 5,695.20 : x
  2. Step 2: Convert to fraction form
    10,410.92/14,367.06 = 5,695.20/x
  3. Step 3: Cross multiply
    10,410.92x = 14,367.06 × 5,695.20
  4. Step 4: Simplify right side
    10,410.92x = 81,823,280.11
  5. Step 5: Solve for x
    x = 81,823,280.11/10,410.92
  6. Step 6: Final answer
    x = 7,859.37

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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.