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Finding the Fourth Proportional to 5,000.86, 6,901.22 and 3,012.74

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Solution

The fourth proportional to 5,000.86, 6,901.22 and 3,012.74 is: 4,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.86 : 6,901.22 = 3,012.74 : x
  2. Step 2: Convert to fraction form
    5,000.86/6,901.22 = 3,012.74/x
  3. Step 3: Cross multiply
    5,000.86x = 6,901.22 × 3,012.74
  4. Step 4: Simplify right side
    5,000.86x = 20,791,581.54
  5. Step 5: Solve for x
    x = 20,791,581.54/5,000.86
  6. Step 6: Final answer
    x = 4,157.60

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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.