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Finding the Fourth Proportional to 63,759.72, 87,988.14 and 35,465.34

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Solution

The fourth proportional to 63,759.72, 87,988.14 and 35,465.34 is: 48,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,759.72 : 87,988.14 = 35,465.34 : x
  2. Step 2: Convert to fraction form
    63,759.72/87,988.14 = 35,465.34/x
  3. Step 3: Cross multiply
    63,759.72x = 87,988.14 × 35,465.34
  4. Step 4: Simplify right side
    63,759.72x = 3,120,529,301.07
  5. Step 5: Solve for x
    x = 3,120,529,301.07/63,759.72
  6. Step 6: Final answer
    x = 48,942.02

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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.