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Finding the Fourth Proportional to 65,053.89, 97,424.91 and 33,380.64

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Solution

The fourth proportional to 65,053.89, 97,424.91 and 33,380.64 is: 49,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,053.89 : 97,424.91 = 33,380.64 : x
  2. Step 2: Convert to fraction form
    65,053.89/97,424.91 = 33,380.64/x
  3. Step 3: Cross multiply
    65,053.89x = 97,424.91 × 33,380.64
  4. Step 4: Simplify right side
    65,053.89x = 3,252,105,847.74
  5. Step 5: Solve for x
    x = 3,252,105,847.74/65,053.89
  6. Step 6: Final answer
    x = 49,990.95

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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.