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Finding the Fourth Proportional to 29,607.18, 40,858.02 and 16,178.43

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Solution

The fourth proportional to 29,607.18, 40,858.02 and 16,178.43 is: 22,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607.18 : 40,858.02 = 16,178.43 : x
  2. Step 2: Convert to fraction form
    29,607.18/40,858.02 = 16,178.43/x
  3. Step 3: Cross multiply
    29,607.18x = 40,858.02 × 16,178.43
  4. Step 4: Simplify right side
    29,607.18x = 661,018,637.76
  5. Step 5: Solve for x
    x = 661,018,637.76/29,607.18
  6. Step 6: Final answer
    x = 22,326.30

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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.