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Finding the Fourth Proportional to 8,606.84, 11,878.13 and 5,022.90

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Solution

The fourth proportional to 8,606.84, 11,878.13 and 5,022.90 is: 6,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.84 : 11,878.13 = 5,022.90 : x
  2. Step 2: Convert to fraction form
    8,606.84/11,878.13 = 5,022.90/x
  3. Step 3: Cross multiply
    8,606.84x = 11,878.13 × 5,022.90
  4. Step 4: Simplify right side
    8,606.84x = 59,662,659.18
  5. Step 5: Solve for x
    x = 59,662,659.18/8,606.84
  6. Step 6: Final answer
    x = 6,932.01

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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.