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Finding the Fourth Proportional to 17,261.60, 25,911.60 and 10,695.20

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Solution

The fourth proportional to 17,261.60, 25,911.60 and 10,695.20 is: 16,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.60 : 25,911.60 = 10,695.20 : x
  2. Step 2: Convert to fraction form
    17,261.60/25,911.60 = 10,695.20/x
  3. Step 3: Cross multiply
    17,261.60x = 25,911.60 × 10,695.20
  4. Step 4: Simplify right side
    17,261.60x = 277,129,744.32
  5. Step 5: Solve for x
    x = 277,129,744.32/17,261.60
  6. Step 6: Final answer
    x = 16,054.70

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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.