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Finding the Fourth Proportional to 63,438.84, 87,534.48 and 36,202.50

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Solution

The fourth proportional to 63,438.84, 87,534.48 and 36,202.50 is: 49,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.84 : 87,534.48 = 36,202.50 : x
  2. Step 2: Convert to fraction form
    63,438.84/87,534.48 = 36,202.50/x
  3. Step 3: Cross multiply
    63,438.84x = 87,534.48 × 36,202.50
  4. Step 4: Simplify right side
    63,438.84x = 3,168,967,012.20
  5. Step 5: Solve for x
    x = 3,168,967,012.20/63,438.84
  6. Step 6: Final answer
    x = 49,953.10

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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.