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Finding the Fourth Proportional to 29,595.78, 40,843.16 and 16,168.28

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Solution

The fourth proportional to 29,595.78, 40,843.16 and 16,168.28 is: 22,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,595.78 : 40,843.16 = 16,168.28 : x
  2. Step 2: Convert to fraction form
    29,595.78/40,843.16 = 16,168.28/x
  3. Step 3: Cross multiply
    29,595.78x = 40,843.16 × 16,168.28
  4. Step 4: Simplify right side
    29,595.78x = 660,363,361.91
  5. Step 5: Solve for x
    x = 660,363,361.91/29,595.78
  6. Step 6: Final answer
    x = 22,312.75

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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.