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Finding the Fourth Proportional to 64,005.60, 96,022.80 and 37,696.80

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Solution

The fourth proportional to 64,005.60, 96,022.80 and 37,696.80 is: 56,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.60 : 96,022.80 = 37,696.80 : x
  2. Step 2: Convert to fraction form
    64,005.60/96,022.80 = 37,696.80/x
  3. Step 3: Cross multiply
    64,005.60x = 96,022.80 × 37,696.80
  4. Step 4: Simplify right side
    64,005.60x = 3,619,752,287.04
  5. Step 5: Solve for x
    x = 3,619,752,287.04/64,005.60
  6. Step 6: Final answer
    x = 56,553.68

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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.