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Finding the Fourth Proportional to 64,046.60, 95,940.30 and 36,312.20

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Solution

The fourth proportional to 64,046.60, 95,940.30 and 36,312.20 is: 54,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,046.60 : 95,940.30 = 36,312.20 : x
  2. Step 2: Convert to fraction form
    64,046.60/95,940.30 = 36,312.20/x
  3. Step 3: Cross multiply
    64,046.60x = 95,940.30 × 36,312.20
  4. Step 4: Simplify right side
    64,046.60x = 3,483,803,361.66
  5. Step 5: Solve for x
    x = 3,483,803,361.66/64,046.60
  6. Step 6: Final answer
    x = 54,394.82

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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.