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Finding the Fourth Proportional to 63,384.96, 87,467.92 and 34,699.12

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Solution

The fourth proportional to 63,384.96, 87,467.92 and 34,699.12 is: 47,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,384.96 : 87,467.92 = 34,699.12 : x
  2. Step 2: Convert to fraction form
    63,384.96/87,467.92 = 34,699.12/x
  3. Step 3: Cross multiply
    63,384.96x = 87,467.92 × 34,699.12
  4. Step 4: Simplify right side
    63,384.96x = 3,035,060,028.43
  5. Step 5: Solve for x
    x = 3,035,060,028.43/63,384.96
  6. Step 6: Final answer
    x = 47,882.97

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1.5x scale

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.