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Finding the Fourth Proportional to 63,629.42, 87,808.74 and 35,335.11

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Solution

The fourth proportional to 63,629.42, 87,808.74 and 35,335.11 is: 48,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.42 : 87,808.74 = 35,335.11 : x
  2. Step 2: Convert to fraction form
    63,629.42/87,808.74 = 35,335.11/x
  3. Step 3: Cross multiply
    63,629.42x = 87,808.74 × 35,335.11
  4. Step 4: Simplify right side
    63,629.42x = 3,102,731,486.86
  5. Step 5: Solve for x
    x = 3,102,731,486.86/63,629.42
  6. Step 6: Final answer
    x = 48,762.53

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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.