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Finding the Fourth Proportional to 29,492.46, 40,695 and 16,914.78

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Solution

The fourth proportional to 29,492.46, 40,695 and 16,914.78 is: 23,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.46 : 40,695 = 16,914.78 : x
  2. Step 2: Convert to fraction form
    29,492.46/40,695 = 16,914.78/x
  3. Step 3: Cross multiply
    29,492.46x = 40,695 × 16,914.78
  4. Step 4: Simplify right side
    29,492.46x = 688,346,972.10
  5. Step 5: Solve for x
    x = 688,346,972.10/29,492.46
  6. Step 6: Final answer
    x = 23,339.76

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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.