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Finding the Fourth Proportional to 63,457.82, 87,572.31 and 35,163.98

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Solution

The fourth proportional to 63,457.82, 87,572.31 and 35,163.98 is: 48,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,457.82 : 87,572.31 = 35,163.98 : x
  2. Step 2: Convert to fraction form
    63,457.82/87,572.31 = 35,163.98/x
  3. Step 3: Cross multiply
    63,457.82x = 87,572.31 × 35,163.98
  4. Step 4: Simplify right side
    63,457.82x = 3,079,390,957.39
  5. Step 5: Solve for x
    x = 3,079,390,957.39/63,457.82
  6. Step 6: Final answer
    x = 48,526.58

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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.