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Finding the Fourth Proportional to 12,671.52, 19,006.06 and 3,904.08

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Solution

The fourth proportional to 12,671.52, 19,006.06 and 3,904.08 is: 5,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.52 : 19,006.06 = 3,904.08 : x
  2. Step 2: Convert to fraction form
    12,671.52/19,006.06 = 3,904.08/x
  3. Step 3: Cross multiply
    12,671.52x = 19,006.06 × 3,904.08
  4. Step 4: Simplify right side
    12,671.52x = 74,201,105.01
  5. Step 5: Solve for x
    x = 74,201,105.01/12,671.52
  6. Step 6: Final answer
    x = 5,855.74

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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.