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Finding the Fourth Proportional to 64,910.60, 97,365.90 and 36,801.80

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Solution

The fourth proportional to 64,910.60, 97,365.90 and 36,801.80 is: 55,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.60 : 97,365.90 = 36,801.80 : x
  2. Step 2: Convert to fraction form
    64,910.60/97,365.90 = 36,801.80/x
  3. Step 3: Cross multiply
    64,910.60x = 97,365.90 × 36,801.80
  4. Step 4: Simplify right side
    64,910.60x = 3,583,240,378.62
  5. Step 5: Solve for x
    x = 3,583,240,378.62/64,910.60
  6. Step 6: Final answer
    x = 55,202.70

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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.