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Finding the Fourth Proportional to 8,574.06, 11,837.52 and 6,580.80

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Solution

The fourth proportional to 8,574.06, 11,837.52 and 6,580.80 is: 9,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.06 : 11,837.52 = 6,580.80 : x
  2. Step 2: Convert to fraction form
    8,574.06/11,837.52 = 6,580.80/x
  3. Step 3: Cross multiply
    8,574.06x = 11,837.52 × 6,580.80
  4. Step 4: Simplify right side
    8,574.06x = 77,900,351.62
  5. Step 5: Solve for x
    x = 77,900,351.62/8,574.06
  6. Step 6: Final answer
    x = 9,085.59

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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.