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Finding the Fourth Proportional to 8,659.07, 11,949.57 and 5,076.14

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Solution

The fourth proportional to 8,659.07, 11,949.57 and 5,076.14 is: 7,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.07 : 11,949.57 = 5,076.14 : x
  2. Step 2: Convert to fraction form
    8,659.07/11,949.57 = 5,076.14/x
  3. Step 3: Cross multiply
    8,659.07x = 11,949.57 × 5,076.14
  4. Step 4: Simplify right side
    8,659.07x = 60,657,664.88
  5. Step 5: Solve for x
    x = 60,657,664.88/8,659.07
  6. Step 6: Final answer
    x = 7,005.10

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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.