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Finding the Fourth Proportional to 63,056.49, 87,018.56 and 34,763.19

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Solution

The fourth proportional to 63,056.49, 87,018.56 and 34,763.19 is: 47,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,056.49 : 87,018.56 = 34,763.19 : x
  2. Step 2: Convert to fraction form
    63,056.49/87,018.56 = 34,763.19/x
  3. Step 3: Cross multiply
    63,056.49x = 87,018.56 × 34,763.19
  4. Step 4: Simplify right side
    63,056.49x = 3,025,042,734.81
  5. Step 5: Solve for x
    x = 3,025,042,734.81/63,056.49
  6. Step 6: Final answer
    x = 47,973.54

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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.