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Finding the Fourth Proportional to 5,781.93, 8,666.06 and 2,659.07

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Solution

The fourth proportional to 5,781.93, 8,666.06 and 2,659.07 is: 3,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.93 : 8,666.06 = 2,659.07 : x
  2. Step 2: Convert to fraction form
    5,781.93/8,666.06 = 2,659.07/x
  3. Step 3: Cross multiply
    5,781.93x = 8,666.06 × 2,659.07
  4. Step 4: Simplify right side
    5,781.93x = 23,043,646.87
  5. Step 5: Solve for x
    x = 23,043,646.87/5,781.93
  6. Step 6: Final answer
    x = 3,985.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.