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Finding the Fourth Proportional to 63,541.98, 87,698.43 and 35,256.78

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Solution

The fourth proportional to 63,541.98, 87,698.43 and 35,256.78 is: 48,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,541.98 : 87,698.43 = 35,256.78 : x
  2. Step 2: Convert to fraction form
    63,541.98/87,698.43 = 35,256.78/x
  3. Step 3: Cross multiply
    63,541.98x = 87,698.43 × 35,256.78
  4. Step 4: Simplify right side
    63,541.98x = 3,091,964,252.86
  5. Step 5: Solve for x
    x = 3,091,964,252.86/63,541.98
  6. Step 6: Final answer
    x = 48,660.18

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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.