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Finding the Fourth Proportional to 69,697.42, 96,161.25 and 39,477.94

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Solution

The fourth proportional to 69,697.42, 96,161.25 and 39,477.94 is: 54,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.42 : 96,161.25 = 39,477.94 : x
  2. Step 2: Convert to fraction form
    69,697.42/96,161.25 = 39,477.94/x
  3. Step 3: Cross multiply
    69,697.42x = 96,161.25 × 39,477.94
  4. Step 4: Simplify right side
    69,697.42x = 3,796,248,057.83
  5. Step 5: Solve for x
    x = 3,796,248,057.83/69,697.42
  6. Step 6: Final answer
    x = 54,467.56

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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.