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Finding the Fourth Proportional to 29,106, 40,164.39 and 17,168.76

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Solution

The fourth proportional to 29,106, 40,164.39 and 17,168.76 is: 23,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106 : 40,164.39 = 17,168.76 : x
  2. Step 2: Convert to fraction form
    29,106/40,164.39 = 17,168.76/x
  3. Step 3: Cross multiply
    29,106x = 40,164.39 × 17,168.76
  4. Step 4: Simplify right side
    29,106x = 689,572,772.46
  5. Step 5: Solve for x
    x = 689,572,772.46/29,106
  6. Step 6: Final answer
    x = 23,691.77

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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.