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Finding the Fourth Proportional to 63,476, 87,599.74 and 35,179.88

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Solution

The fourth proportional to 63,476, 87,599.74 and 35,179.88 is: 48,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,476 : 87,599.74 = 35,179.88 : x
  2. Step 2: Convert to fraction form
    63,476/87,599.74 = 35,179.88/x
  3. Step 3: Cross multiply
    63,476x = 87,599.74 × 35,179.88
  4. Step 4: Simplify right side
    63,476x = 3,081,748,341.23
  5. Step 5: Solve for x
    x = 3,081,748,341.23/63,476
  6. Step 6: Final answer
    x = 48,549.82

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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.