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Finding the Fourth Proportional to 6,192.79, 8,550.09 and 5,061.22

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Solution

The fourth proportional to 6,192.79, 8,550.09 and 5,061.22 is: 6,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.79 : 8,550.09 = 5,061.22 : x
  2. Step 2: Convert to fraction form
    6,192.79/8,550.09 = 5,061.22/x
  3. Step 3: Cross multiply
    6,192.79x = 8,550.09 × 5,061.22
  4. Step 4: Simplify right side
    6,192.79x = 43,273,886.51
  5. Step 5: Solve for x
    x = 43,273,886.51/6,192.79
  6. Step 6: Final answer
    x = 6,987.79

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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.