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Finding the Fourth Proportional to 63,670.12, 87,866.98 and 35,377

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Solution

The fourth proportional to 63,670.12, 87,866.98 and 35,377 is: 48,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.12 : 87,866.98 = 35,377 : x
  2. Step 2: Convert to fraction form
    63,670.12/87,866.98 = 35,377/x
  3. Step 3: Cross multiply
    63,670.12x = 87,866.98 × 35,377
  4. Step 4: Simplify right side
    63,670.12x = 3,108,470,151.46
  5. Step 5: Solve for x
    x = 3,108,470,151.46/63,670.12
  6. Step 6: Final answer
    x = 48,821.49

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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.