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Finding the Fourth Proportional to 63,573.30, 87,737.70 and 35,279.16

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Solution

The fourth proportional to 63,573.30, 87,737.70 and 35,279.16 is: 48,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,573.30 : 87,737.70 = 35,279.16 : x
  2. Step 2: Convert to fraction form
    63,573.30/87,737.70 = 35,279.16/x
  3. Step 3: Cross multiply
    63,573.30x = 87,737.70 × 35,279.16
  4. Step 4: Simplify right side
    63,573.30x = 3,095,312,356.33
  5. Step 5: Solve for x
    x = 3,095,312,356.33/63,573.30
  6. Step 6: Final answer
    x = 48,688.87

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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.