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Finding the Fourth Proportional to 63,876.80, 88,152.64 and 35,582.48

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Solution

The fourth proportional to 63,876.80, 88,152.64 and 35,582.48 is: 49,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.80 : 88,152.64 = 35,582.48 : x
  2. Step 2: Convert to fraction form
    63,876.80/88,152.64 = 35,582.48/x
  3. Step 3: Cross multiply
    63,876.80x = 88,152.64 × 35,582.48
  4. Step 4: Simplify right side
    63,876.80x = 3,136,689,549.75
  5. Step 5: Solve for x
    x = 3,136,689,549.75/63,876.80
  6. Step 6: Final answer
    x = 49,105.30

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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.