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Finding the Fourth Proportional to 69,697.92, 96,180.02 and 39,482.64

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Solution

The fourth proportional to 69,697.92, 96,180.02 and 39,482.64 is: 54,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.92 : 96,180.02 = 39,482.64 : x
  2. Step 2: Convert to fraction form
    69,697.92/96,180.02 = 39,482.64/x
  3. Step 3: Cross multiply
    69,697.92x = 96,180.02 × 39,482.64
  4. Step 4: Simplify right side
    69,697.92x = 3,797,441,104.85
  5. Step 5: Solve for x
    x = 3,797,441,104.85/69,697.92
  6. Step 6: Final answer
    x = 54,484.28

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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.