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Finding the Fourth Proportional to 67,465.50, 101,040.81 and 53,330.64

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Solution

The fourth proportional to 67,465.50, 101,040.81 and 53,330.64 is: 79,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,465.50 : 101,040.81 = 53,330.64 : x
  2. Step 2: Convert to fraction form
    67,465.50/101,040.81 = 53,330.64/x
  3. Step 3: Cross multiply
    67,465.50x = 101,040.81 × 53,330.64
  4. Step 4: Simplify right side
    67,465.50x = 5,388,571,063.42
  5. Step 5: Solve for x
    x = 5,388,571,063.42/67,465.50
  6. Step 6: Final answer
    x = 79,871.51

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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.