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Finding the Fourth Proportional to 6,039.59, 8,390.44 and 5,985.53

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Solution

The fourth proportional to 6,039.59, 8,390.44 and 5,985.53 is: 8,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.59 : 8,390.44 = 5,985.53 : x
  2. Step 2: Convert to fraction form
    6,039.59/8,390.44 = 5,985.53/x
  3. Step 3: Cross multiply
    6,039.59x = 8,390.44 × 5,985.53
  4. Step 4: Simplify right side
    6,039.59x = 50,221,188.38
  5. Step 5: Solve for x
    x = 50,221,188.38/6,039.59
  6. Step 6: Final answer
    x = 8,315.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.