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Finding the Fourth Proportional to 64,405.97, 96,625.30 and 20,033.05

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Solution

The fourth proportional to 64,405.97, 96,625.30 and 20,033.05 is: 30,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.97 : 96,625.30 = 20,033.05 : x
  2. Step 2: Convert to fraction form
    64,405.97/96,625.30 = 20,033.05/x
  3. Step 3: Cross multiply
    64,405.97x = 96,625.30 × 20,033.05
  4. Step 4: Simplify right side
    64,405.97x = 1,935,699,466.17
  5. Step 5: Solve for x
    x = 1,935,699,466.17/64,405.97
  6. Step 6: Final answer
    x = 30,054.66

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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.