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Finding the Fourth Proportional to 8,600.68, 11,868.72 and 5,066.32

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Solution

The fourth proportional to 8,600.68, 11,868.72 and 5,066.32 is: 6,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.68 : 11,868.72 = 5,066.32 : x
  2. Step 2: Convert to fraction form
    8,600.68/11,868.72 = 5,066.32/x
  3. Step 3: Cross multiply
    8,600.68x = 11,868.72 × 5,066.32
  4. Step 4: Simplify right side
    8,600.68x = 60,130,733.51
  5. Step 5: Solve for x
    x = 60,130,733.51/8,600.68
  6. Step 6: Final answer
    x = 6,991.39

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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.