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Finding the Fourth Proportional to 11,959.59, 16,503.48 and 6,654.27

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Solution

The fourth proportional to 11,959.59, 16,503.48 and 6,654.27 is: 9,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.59 : 16,503.48 = 6,654.27 : x
  2. Step 2: Convert to fraction form
    11,959.59/16,503.48 = 6,654.27/x
  3. Step 3: Cross multiply
    11,959.59x = 16,503.48 × 6,654.27
  4. Step 4: Simplify right side
    11,959.59x = 109,818,611.86
  5. Step 5: Solve for x
    x = 109,818,611.86/11,959.59
  6. Step 6: Final answer
    x = 9,182.47

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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.