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Finding the Fourth Proportional to 5,659.68, 8,486.16 and 2,539.68

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Solution

The fourth proportional to 5,659.68, 8,486.16 and 2,539.68 is: 3,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.68 : 8,486.16 = 2,539.68 : x
  2. Step 2: Convert to fraction form
    5,659.68/8,486.16 = 2,539.68/x
  3. Step 3: Cross multiply
    5,659.68x = 8,486.16 × 2,539.68
  4. Step 4: Simplify right side
    5,659.68x = 21,552,130.83
  5. Step 5: Solve for x
    x = 21,552,130.83/5,659.68
  6. Step 6: Final answer
    x = 3,808.01

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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.