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Finding the Fourth Proportional to 64,494.60, 96,612.30 and 43,499.40

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Solution

The fourth proportional to 64,494.60, 96,612.30 and 43,499.40 is: 65,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,494.60 : 96,612.30 = 43,499.40 : x
  2. Step 2: Convert to fraction form
    64,494.60/96,612.30 = 43,499.40/x
  3. Step 3: Cross multiply
    64,494.60x = 96,612.30 × 43,499.40
  4. Step 4: Simplify right side
    64,494.60x = 4,202,577,082.62
  5. Step 5: Solve for x
    x = 4,202,577,082.62/64,494.60
  6. Step 6: Final answer
    x = 65,161.69

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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.