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Finding the Fourth Proportional to 69,008.58, 95,225.22 and 38,786.94

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Solution

The fourth proportional to 69,008.58, 95,225.22 and 38,786.94 is: 53,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,008.58 : 95,225.22 = 38,786.94 : x
  2. Step 2: Convert to fraction form
    69,008.58/95,225.22 = 38,786.94/x
  3. Step 3: Cross multiply
    69,008.58x = 95,225.22 × 38,786.94
  4. Step 4: Simplify right side
    69,008.58x = 3,693,494,894.63
  5. Step 5: Solve for x
    x = 3,693,494,894.63/69,008.58
  6. Step 6: Final answer
    x = 53,522.26

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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.