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Finding the Fourth Proportional to 65,332.80, 98,007.84 and 20,944.80

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Solution

The fourth proportional to 65,332.80, 98,007.84 and 20,944.80 is: 31,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,332.80 : 98,007.84 = 20,944.80 : x
  2. Step 2: Convert to fraction form
    65,332.80/98,007.84 = 20,944.80/x
  3. Step 3: Cross multiply
    65,332.80x = 98,007.84 × 20,944.80
  4. Step 4: Simplify right side
    65,332.80x = 2,052,754,607.23
  5. Step 5: Solve for x
    x = 2,052,754,607.23/65,332.80
  6. Step 6: Final answer
    x = 31,419.97

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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.