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Finding the Fourth Proportional to 17,184.60, 25,764.60 and 6,645.60

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Solution

The fourth proportional to 17,184.60, 25,764.60 and 6,645.60 is: 9,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184.60 : 25,764.60 = 6,645.60 : x
  2. Step 2: Convert to fraction form
    17,184.60/25,764.60 = 6,645.60/x
  3. Step 3: Cross multiply
    17,184.60x = 25,764.60 × 6,645.60
  4. Step 4: Simplify right side
    17,184.60x = 171,221,225.76
  5. Step 5: Solve for x
    x = 171,221,225.76/17,184.60
  6. Step 6: Final answer
    x = 9,963.64

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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.