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Finding the Fourth Proportional to 22,486.95, 33,731.01 and 6,904.58

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Solution

The fourth proportional to 22,486.95, 33,731.01 and 6,904.58 is: 10,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.95 : 33,731.01 = 6,904.58 : x
  2. Step 2: Convert to fraction form
    22,486.95/33,731.01 = 6,904.58/x
  3. Step 3: Cross multiply
    22,486.95x = 33,731.01 × 6,904.58
  4. Step 4: Simplify right side
    22,486.95x = 232,898,288.37
  5. Step 5: Solve for x
    x = 232,898,288.37/22,486.95
  6. Step 6: Final answer
    x = 10,357.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.