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Finding the Fourth Proportional to 15,374.95, 23,040.15 and 8,349.01

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Solution

The fourth proportional to 15,374.95, 23,040.15 and 8,349.01 is: 12,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.95 : 23,040.15 = 8,349.01 : x
  2. Step 2: Convert to fraction form
    15,374.95/23,040.15 = 8,349.01/x
  3. Step 3: Cross multiply
    15,374.95x = 23,040.15 × 8,349.01
  4. Step 4: Simplify right side
    15,374.95x = 192,362,353.84
  5. Step 5: Solve for x
    x = 192,362,353.84/15,374.95
  6. Step 6: Final answer
    x = 12,511.42

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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.