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Finding the Fourth Proportional to 8,574.54, 11,835.64 and 6,591.66

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Solution

The fourth proportional to 8,574.54, 11,835.64 and 6,591.66 is: 9,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.54 : 11,835.64 = 6,591.66 : x
  2. Step 2: Convert to fraction form
    8,574.54/11,835.64 = 6,591.66/x
  3. Step 3: Cross multiply
    8,574.54x = 11,835.64 × 6,591.66
  4. Step 4: Simplify right side
    8,574.54x = 78,016,514.76
  5. Step 5: Solve for x
    x = 78,016,514.76/8,574.54
  6. Step 6: Final answer
    x = 9,098.62

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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.