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Finding the Fourth Proportional to 64,850.60, 97,221.90 and 27,439.40

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Solution

The fourth proportional to 64,850.60, 97,221.90 and 27,439.40 is: 41,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.60 : 97,221.90 = 27,439.40 : x
  2. Step 2: Convert to fraction form
    64,850.60/97,221.90 = 27,439.40/x
  3. Step 3: Cross multiply
    64,850.60x = 97,221.90 × 27,439.40
  4. Step 4: Simplify right side
    64,850.60x = 2,667,710,602.86
  5. Step 5: Solve for x
    x = 2,667,710,602.86/64,850.60
  6. Step 6: Final answer
    x = 41,136.25

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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.