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Finding the Fourth Proportional to 63,734.92, 87,953.94 and 35,440.76

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Solution

The fourth proportional to 63,734.92, 87,953.94 and 35,440.76 is: 48,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,734.92 : 87,953.94 = 35,440.76 : x
  2. Step 2: Convert to fraction form
    63,734.92/87,953.94 = 35,440.76/x
  3. Step 3: Cross multiply
    63,734.92x = 87,953.94 × 35,440.76
  4. Step 4: Simplify right side
    63,734.92x = 3,117,154,478.59
  5. Step 5: Solve for x
    x = 3,117,154,478.59/63,734.92
  6. Step 6: Final answer
    x = 48,908.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.