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Finding the Fourth Proportional to 69,626.24, 96,164 and 45,859.20

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Solution

The fourth proportional to 69,626.24, 96,164 and 45,859.20 is: 63,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,626.24 : 96,164 = 45,859.20 : x
  2. Step 2: Convert to fraction form
    69,626.24/96,164 = 45,859.20/x
  3. Step 3: Cross multiply
    69,626.24x = 96,164 × 45,859.20
  4. Step 4: Simplify right side
    69,626.24x = 4,410,004,108.80
  5. Step 5: Solve for x
    x = 4,410,004,108.80/69,626.24
  6. Step 6: Final answer
    x = 63,338.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.