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Finding the Fourth Proportional to 5,068.72, 6,994.98 and 2,974.12

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Solution

The fourth proportional to 5,068.72, 6,994.98 and 2,974.12 is: 4,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.72 : 6,994.98 = 2,974.12 : x
  2. Step 2: Convert to fraction form
    5,068.72/6,994.98 = 2,974.12/x
  3. Step 3: Cross multiply
    5,068.72x = 6,994.98 × 2,974.12
  4. Step 4: Simplify right side
    5,068.72x = 20,803,909.92
  5. Step 5: Solve for x
    x = 20,803,909.92/5,068.72
  6. Step 6: Final answer
    x = 4,104.37

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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.