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Finding the Fourth Proportional to 64,443.60, 96,665.40 and 32,950.80

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Solution

The fourth proportional to 64,443.60, 96,665.40 and 32,950.80 is: 49,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,443.60 : 96,665.40 = 32,950.80 : x
  2. Step 2: Convert to fraction form
    64,443.60/96,665.40 = 32,950.80/x
  3. Step 3: Cross multiply
    64,443.60x = 96,665.40 × 32,950.80
  4. Step 4: Simplify right side
    64,443.60x = 3,185,202,262.32
  5. Step 5: Solve for x
    x = 3,185,202,262.32/64,443.60
  6. Step 6: Final answer
    x = 49,426.20

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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.