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Finding the Fourth Proportional to 6,879.92, 10,268.97 and 6,009.57

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Solution

The fourth proportional to 6,879.92, 10,268.97 and 6,009.57 is: 8,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.92 : 10,268.97 = 6,009.57 : x
  2. Step 2: Convert to fraction form
    6,879.92/10,268.97 = 6,009.57/x
  3. Step 3: Cross multiply
    6,879.92x = 10,268.97 × 6,009.57
  4. Step 4: Simplify right side
    6,879.92x = 61,712,071.51
  5. Step 5: Solve for x
    x = 61,712,071.51/6,879.92
  6. Step 6: Final answer
    x = 8,969.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.