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Finding the Fourth Proportional to 63,048.84, 87,007.32 and 34,755

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Solution

The fourth proportional to 63,048.84, 87,007.32 and 34,755 is: 47,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.84 : 87,007.32 = 34,755 : x
  2. Step 2: Convert to fraction form
    63,048.84/87,007.32 = 34,755/x
  3. Step 3: Cross multiply
    63,048.84x = 87,007.32 × 34,755
  4. Step 4: Simplify right side
    63,048.84x = 3,023,939,406.60
  5. Step 5: Solve for x
    x = 3,023,939,406.60/63,048.84
  6. Step 6: Final answer
    x = 47,961.86

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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.