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Finding the Fourth Proportional to 50,499.60, 75,749.08 and 15,439.12

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Solution

The fourth proportional to 50,499.60, 75,749.08 and 15,439.12 is: 23,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,499.60 : 75,749.08 = 15,439.12 : x
  2. Step 2: Convert to fraction form
    50,499.60/75,749.08 = 15,439.12/x
  3. Step 3: Cross multiply
    50,499.60x = 75,749.08 × 15,439.12
  4. Step 4: Simplify right side
    50,499.60x = 1,169,499,136.01
  5. Step 5: Solve for x
    x = 1,169,499,136.01/50,499.60
  6. Step 6: Final answer
    x = 23,158.58

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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.