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Finding the Fourth Proportional to 8,606.04, 11,876.40 and 5,069.40

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Solution

The fourth proportional to 8,606.04, 11,876.40 and 5,069.40 is: 6,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.04 : 11,876.40 = 5,069.40 : x
  2. Step 2: Convert to fraction form
    8,606.04/11,876.40 = 5,069.40/x
  3. Step 3: Cross multiply
    8,606.04x = 11,876.40 × 5,069.40
  4. Step 4: Simplify right side
    8,606.04x = 60,206,222.16
  5. Step 5: Solve for x
    x = 60,206,222.16/8,606.04
  6. Step 6: Final answer
    x = 6,995.81

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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.