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Finding the Fourth Proportional to 12,801.35, 19,188.83 and 4,901.71

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Solution

The fourth proportional to 12,801.35, 19,188.83 and 4,901.71 is: 7,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.35 : 19,188.83 = 4,901.71 : x
  2. Step 2: Convert to fraction form
    12,801.35/19,188.83 = 4,901.71/x
  3. Step 3: Cross multiply
    12,801.35x = 19,188.83 × 4,901.71
  4. Step 4: Simplify right side
    12,801.35x = 94,058,089.35
  5. Step 5: Solve for x
    x = 94,058,089.35/12,801.35
  6. Step 6: Final answer
    x = 7,347.51

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