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Finding the Fourth Proportional to 5,014.87, 6,913.31 and 3,518.15

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Solution

The fourth proportional to 5,014.87, 6,913.31 and 3,518.15 is: 4,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.87 : 6,913.31 = 3,518.15 : x
  2. Step 2: Convert to fraction form
    5,014.87/6,913.31 = 3,518.15/x
  3. Step 3: Cross multiply
    5,014.87x = 6,913.31 × 3,518.15
  4. Step 4: Simplify right side
    5,014.87x = 24,322,009.42
  5. Step 5: Solve for x
    x = 24,322,009.42/5,014.87
  6. Step 6: Final answer
    x = 4,849.98

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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.