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Finding the Fourth Proportional to 64,007.30, 96,120.30 and 41,918.60

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Solution

The fourth proportional to 64,007.30, 96,120.30 and 41,918.60 is: 62,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.30 : 96,120.30 = 41,918.60 : x
  2. Step 2: Convert to fraction form
    64,007.30/96,120.30 = 41,918.60/x
  3. Step 3: Cross multiply
    64,007.30x = 96,120.30 × 41,918.60
  4. Step 4: Simplify right side
    64,007.30x = 4,029,228,407.58
  5. Step 5: Solve for x
    x = 4,029,228,407.58/64,007.30
  6. Step 6: Final answer
    x = 62,949.51

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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.