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Finding the Fourth Proportional to 60,671.92, 90,945.52 and 23,223.20

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Solution

The fourth proportional to 60,671.92, 90,945.52 and 23,223.20 is: 34,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,671.92 : 90,945.52 = 23,223.20 : x
  2. Step 2: Convert to fraction form
    60,671.92/90,945.52 = 23,223.20/x
  3. Step 3: Cross multiply
    60,671.92x = 90,945.52 × 23,223.20
  4. Step 4: Simplify right side
    60,671.92x = 2,112,046,000.06
  5. Step 5: Solve for x
    x = 2,112,046,000.06/60,671.92
  6. Step 6: Final answer
    x = 34,810.93

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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.