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Finding the Fourth Proportional to 29,490, 40,695.38 and 16,060.96

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Solution

The fourth proportional to 29,490, 40,695.38 and 16,060.96 is: 22,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490 : 40,695.38 = 16,060.96 : x
  2. Step 2: Convert to fraction form
    29,490/40,695.38 = 16,060.96/x
  3. Step 3: Cross multiply
    29,490x = 40,695.38 × 16,060.96
  4. Step 4: Simplify right side
    29,490x = 653,606,870.36
  5. Step 5: Solve for x
    x = 653,606,870.36/29,490
  6. Step 6: Final answer
    x = 22,163.68

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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.