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Finding the Fourth Proportional to 79,005.25, 118,507.88 and 23,601.25

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Solution

The fourth proportional to 79,005.25, 118,507.88 and 23,601.25 is: 35,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,005.25 : 118,507.88 = 23,601.25 : x
  2. Step 2: Convert to fraction form
    79,005.25/118,507.88 = 23,601.25/x
  3. Step 3: Cross multiply
    79,005.25x = 118,507.88 × 23,601.25
  4. Step 4: Simplify right side
    79,005.25x = 2,796,934,102.85
  5. Step 5: Solve for x
    x = 2,796,934,102.85/79,005.25
  6. Step 6: Final answer
    x = 35,401.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.