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Finding the Fourth Proportional to 14,245.54, 19,659.58 and 8,582.06

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Solution

The fourth proportional to 14,245.54, 19,659.58 and 8,582.06 is: 11,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.54 : 19,659.58 = 8,582.06 : x
  2. Step 2: Convert to fraction form
    14,245.54/19,659.58 = 8,582.06/x
  3. Step 3: Cross multiply
    14,245.54x = 19,659.58 × 8,582.06
  4. Step 4: Simplify right side
    14,245.54x = 168,719,722.83
  5. Step 5: Solve for x
    x = 168,719,722.83/14,245.54
  6. Step 6: Final answer
    x = 11,843.69

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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.