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Finding the Fourth Proportional to 63,057.18, 87,018.99 and 34,762.87

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Solution

The fourth proportional to 63,057.18, 87,018.99 and 34,762.87 is: 47,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,057.18 : 87,018.99 = 34,762.87 : x
  2. Step 2: Convert to fraction form
    63,057.18/87,018.99 = 34,762.87/x
  3. Step 3: Cross multiply
    63,057.18x = 87,018.99 × 34,762.87
  4. Step 4: Simplify right side
    63,057.18x = 3,025,029,401.81
  5. Step 5: Solve for x
    x = 3,025,029,401.81/63,057.18
  6. Step 6: Final answer
    x = 47,972.80

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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.