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Finding the Fourth Proportional to 63,355.92, 95,039.88 and 18,378.48

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Solution

The fourth proportional to 63,355.92, 95,039.88 and 18,378.48 is: 27,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.92 : 95,039.88 = 18,378.48 : x
  2. Step 2: Convert to fraction form
    63,355.92/95,039.88 = 18,378.48/x
  3. Step 3: Cross multiply
    63,355.92x = 95,039.88 × 18,378.48
  4. Step 4: Simplify right side
    63,355.92x = 1,746,688,533.78
  5. Step 5: Solve for x
    x = 1,746,688,533.78/63,355.92
  6. Step 6: Final answer
    x = 27,569.46

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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.