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Finding the Fourth Proportional to 69,699.42, 96,164.01 and 39,479.94

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Solution

The fourth proportional to 69,699.42, 96,164.01 and 39,479.94 is: 54,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,699.42 : 96,164.01 = 39,479.94 : x
  2. Step 2: Convert to fraction form
    69,699.42/96,164.01 = 39,479.94/x
  3. Step 3: Cross multiply
    69,699.42x = 96,164.01 × 39,479.94
  4. Step 4: Simplify right side
    69,699.42x = 3,796,549,344.96
  5. Step 5: Solve for x
    x = 3,796,549,344.96/69,699.42
  6. Step 6: Final answer
    x = 54,470.31

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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.