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Finding the Fourth Proportional to 21,611.93, 29,827.02 and 12,053.37

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Solution

The fourth proportional to 21,611.93, 29,827.02 and 12,053.37 is: 16,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.93 : 29,827.02 = 12,053.37 : x
  2. Step 2: Convert to fraction form
    21,611.93/29,827.02 = 12,053.37/x
  3. Step 3: Cross multiply
    21,611.93x = 29,827.02 × 12,053.37
  4. Step 4: Simplify right side
    21,611.93x = 359,516,108.06
  5. Step 5: Solve for x
    x = 359,516,108.06/21,611.93
  6. Step 6: Final answer
    x = 16,635.08

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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.