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Finding the Fourth Proportional to 63,718.84, 87,930.93 and 35,423.92

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Solution

The fourth proportional to 63,718.84, 87,930.93 and 35,423.92 is: 48,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,718.84 : 87,930.93 = 35,423.92 : x
  2. Step 2: Convert to fraction form
    63,718.84/87,930.93 = 35,423.92/x
  3. Step 3: Cross multiply
    63,718.84x = 87,930.93 × 35,423.92
  4. Step 4: Simplify right side
    63,718.84x = 3,114,858,229.85
  5. Step 5: Solve for x
    x = 3,114,858,229.85/63,718.84
  6. Step 6: Final answer
    x = 48,884.42

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1.5x scale

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.