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Finding the Fourth Proportional to 63,457.28, 87,567.52 and 35,161.28

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Solution

The fourth proportional to 63,457.28, 87,567.52 and 35,161.28 is: 48,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,457.28 : 87,567.52 = 35,161.28 : x
  2. Step 2: Convert to fraction form
    63,457.28/87,567.52 = 35,161.28/x
  3. Step 3: Cross multiply
    63,457.28x = 87,567.52 × 35,161.28
  4. Step 4: Simplify right side
    63,457.28x = 3,078,986,089.63
  5. Step 5: Solve for x
    x = 3,078,986,089.63/63,457.28
  6. Step 6: Final answer
    x = 48,520.61

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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.