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Finding the Fourth Proportional to 14,245.49, 19,659.47 and 8,582.02

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Solution

The fourth proportional to 14,245.49, 19,659.47 and 8,582.02 is: 11,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.49 : 19,659.47 = 8,582.02 : x
  2. Step 2: Convert to fraction form
    14,245.49/19,659.47 = 8,582.02/x
  3. Step 3: Cross multiply
    14,245.49x = 19,659.47 × 8,582.02
  4. Step 4: Simplify right side
    14,245.49x = 168,717,835.81
  5. Step 5: Solve for x
    x = 168,717,835.81/14,245.49
  6. Step 6: Final answer
    x = 11,843.60

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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.