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Finding the Fourth Proportional to 17,166.92, 25,752.22 and 5,477.40

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Solution

The fourth proportional to 17,166.92, 25,752.22 and 5,477.40 is: 8,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.92 : 25,752.22 = 5,477.40 : x
  2. Step 2: Convert to fraction form
    17,166.92/25,752.22 = 5,477.40/x
  3. Step 3: Cross multiply
    17,166.92x = 25,752.22 × 5,477.40
  4. Step 4: Simplify right side
    17,166.92x = 141,055,209.83
  5. Step 5: Solve for x
    x = 141,055,209.83/17,166.92
  6. Step 6: Final answer
    x = 8,216.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.