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Finding the Fourth Proportional to 63,669.62, 87,866.29 and 35,376.50

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Solution

The fourth proportional to 63,669.62, 87,866.29 and 35,376.50 is: 48,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.62 : 87,866.29 = 35,376.50 : x
  2. Step 2: Convert to fraction form
    63,669.62/87,866.29 = 35,376.50/x
  3. Step 3: Cross multiply
    63,669.62x = 87,866.29 × 35,376.50
  4. Step 4: Simplify right side
    63,669.62x = 3,108,401,808.19
  5. Step 5: Solve for x
    x = 3,108,401,808.19/63,669.62
  6. Step 6: Final answer
    x = 48,820.80

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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.