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Finding the Fourth Proportional to 29,469.66, 40,670.07 and 16,894.62

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Solution

The fourth proportional to 29,469.66, 40,670.07 and 16,894.62 is: 23,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.66 : 40,670.07 = 16,894.62 : x
  2. Step 2: Convert to fraction form
    29,469.66/40,670.07 = 16,894.62/x
  3. Step 3: Cross multiply
    29,469.66x = 40,670.07 × 16,894.62
  4. Step 4: Simplify right side
    29,469.66x = 687,105,378.02
  5. Step 5: Solve for x
    x = 687,105,378.02/29,469.66
  6. Step 6: Final answer
    x = 23,315.69

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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.