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Finding the Fourth Proportional to 64,462.60, 96,564.30 and 36,728.20

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Solution

The fourth proportional to 64,462.60, 96,564.30 and 36,728.20 is: 55,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.60 : 96,564.30 = 36,728.20 : x
  2. Step 2: Convert to fraction form
    64,462.60/96,564.30 = 36,728.20/x
  3. Step 3: Cross multiply
    64,462.60x = 96,564.30 × 36,728.20
  4. Step 4: Simplify right side
    64,462.60x = 3,546,632,923.26
  5. Step 5: Solve for x
    x = 3,546,632,923.26/64,462.60
  6. Step 6: Final answer
    x = 55,018.46

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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.