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Finding the Fourth Proportional to 60,495.06, 90,761.04 and 30,933.66

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Solution

The fourth proportional to 60,495.06, 90,761.04 and 30,933.66 is: 46,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.06 : 90,761.04 = 30,933.66 : x
  2. Step 2: Convert to fraction form
    60,495.06/90,761.04 = 30,933.66/x
  3. Step 3: Cross multiply
    60,495.06x = 90,761.04 × 30,933.66
  4. Step 4: Simplify right side
    60,495.06x = 2,807,571,152.61
  5. Step 5: Solve for x
    x = 2,807,571,152.61/60,495.06
  6. Step 6: Final answer
    x = 46,409.92

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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.