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Finding the Fourth Proportional to 64,472.48, 96,856.98 and 45,797.96

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Solution

The fourth proportional to 64,472.48, 96,856.98 and 45,797.96 is: 68,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,472.48 : 96,856.98 = 45,797.96 : x
  2. Step 2: Convert to fraction form
    64,472.48/96,856.98 = 45,797.96/x
  3. Step 3: Cross multiply
    64,472.48x = 96,856.98 × 45,797.96
  4. Step 4: Simplify right side
    64,472.48x = 4,435,852,095.76
  5. Step 5: Solve for x
    x = 4,435,852,095.76/64,472.48
  6. Step 6: Final answer
    x = 68,802.26

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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.