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Finding the Fourth Proportional to 48,641.81, 72,960.06 and 14,907.78

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Solution

The fourth proportional to 48,641.81, 72,960.06 and 14,907.78 is: 22,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.81 : 72,960.06 = 14,907.78 : x
  2. Step 2: Convert to fraction form
    48,641.81/72,960.06 = 14,907.78/x
  3. Step 3: Cross multiply
    48,641.81x = 72,960.06 × 14,907.78
  4. Step 4: Simplify right side
    48,641.81x = 1,087,672,523.27
  5. Step 5: Solve for x
    x = 1,087,672,523.27/48,641.81
  6. Step 6: Final answer
    x = 22,360.86

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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.