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Finding the Fourth Proportional to 5,998.68, 8,989.65 and 3,070.80

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Solution

The fourth proportional to 5,998.68, 8,989.65 and 3,070.80 is: 4,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.68 : 8,989.65 = 3,070.80 : x
  2. Step 2: Convert to fraction form
    5,998.68/8,989.65 = 3,070.80/x
  3. Step 3: Cross multiply
    5,998.68x = 8,989.65 × 3,070.80
  4. Step 4: Simplify right side
    5,998.68x = 27,605,417.22
  5. Step 5: Solve for x
    x = 27,605,417.22/5,998.68
  6. Step 6: Final answer
    x = 4,601.92

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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.