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Finding the Fourth Proportional to 7,691.01, 10,619.54 and 6,009.51

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Solution

The fourth proportional to 7,691.01, 10,619.54 and 6,009.51 is: 8,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.01 : 10,619.54 = 6,009.51 : x
  2. Step 2: Convert to fraction form
    7,691.01/10,619.54 = 6,009.51/x
  3. Step 3: Cross multiply
    7,691.01x = 10,619.54 × 6,009.51
  4. Step 4: Simplify right side
    7,691.01x = 63,818,201.78
  5. Step 5: Solve for x
    x = 63,818,201.78/7,691.01
  6. Step 6: Final answer
    x = 8,297.77

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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.