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Finding the Fourth Proportional to 63,242.10, 87,271.74 and 36,388.76

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Solution

The fourth proportional to 63,242.10, 87,271.74 and 36,388.76 is: 50,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,242.10 : 87,271.74 = 36,388.76 : x
  2. Step 2: Convert to fraction form
    63,242.10/87,271.74 = 36,388.76/x
  3. Step 3: Cross multiply
    63,242.10x = 87,271.74 × 36,388.76
  4. Step 4: Simplify right side
    63,242.10x = 3,175,709,965.28
  5. Step 5: Solve for x
    x = 3,175,709,965.28/63,242.10
  6. Step 6: Final answer
    x = 50,215.13

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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.