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Finding the Fourth Proportional to 13,734,462.60, 20,601,693.90 and 4,151,320.20

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Solution

The fourth proportional to 13,734,462.60, 20,601,693.90 and 4,151,320.20 is: 6,226,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734,462.60 : 20,601,693.90 = 4,151,320.20 : x
  2. Step 2: Convert to fraction form
    13,734,462.60/20,601,693.90 = 4,151,320.20/x
  3. Step 3: Cross multiply
    13,734,462.60x = 20,601,693.90 × 4,151,320.20
  4. Step 4: Simplify right side
    13,734,462.60x = 85,524,228,041,286.78
  5. Step 5: Solve for x
    x = 85,524,228,041,286.78/13,734,462.60
  6. Step 6: Final answer
    x = 6,226,980.30

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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.