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Finding the Fourth Proportional to 48,840.90, 73,061.52 and 36,905.95

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Solution

The fourth proportional to 48,840.90, 73,061.52 and 36,905.95 is: 55,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,840.90 : 73,061.52 = 36,905.95 : x
  2. Step 2: Convert to fraction form
    48,840.90/73,061.52 = 36,905.95/x
  3. Step 3: Cross multiply
    48,840.90x = 73,061.52 × 36,905.95
  4. Step 4: Simplify right side
    48,840.90x = 2,696,404,804.04
  5. Step 5: Solve for x
    x = 2,696,404,804.04/48,840.90
  6. Step 6: Final answer
    x = 55,207.93

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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.