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Finding the Fourth Proportional to 63,610.31, 87,784.97 and 35,316

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Solution

The fourth proportional to 63,610.31, 87,784.97 and 35,316 is: 48,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,610.31 : 87,784.97 = 35,316 : x
  2. Step 2: Convert to fraction form
    63,610.31/87,784.97 = 35,316/x
  3. Step 3: Cross multiply
    63,610.31x = 87,784.97 × 35,316
  4. Step 4: Simplify right side
    63,610.31x = 3,100,213,823.94
  5. Step 5: Solve for x
    x = 3,100,213,823.94/63,610.31
  6. Step 6: Final answer
    x = 48,737.60

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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.