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Finding the Fourth Proportional to 45,663.92, 68,366.24 and 29,887.28

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Solution

The fourth proportional to 45,663.92, 68,366.24 and 29,887.28 is: 44,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.92 : 68,366.24 = 29,887.28 : x
  2. Step 2: Convert to fraction form
    45,663.92/68,366.24 = 29,887.28/x
  3. Step 3: Cross multiply
    45,663.92x = 68,366.24 × 29,887.28
  4. Step 4: Simplify right side
    45,663.92x = 2,043,280,957.43
  5. Step 5: Solve for x
    x = 2,043,280,957.43/45,663.92
  6. Step 6: Final answer
    x = 44,746.07

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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.