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Finding the Fourth Proportional to 63,661.37, 87,858.14 and 35,368.88

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Solution

The fourth proportional to 63,661.37, 87,858.14 and 35,368.88 is: 48,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,661.37 : 87,858.14 = 35,368.88 : x
  2. Step 2: Convert to fraction form
    63,661.37/87,858.14 = 35,368.88/x
  3. Step 3: Cross multiply
    63,661.37x = 87,858.14 × 35,368.88
  4. Step 4: Simplify right side
    63,661.37x = 3,107,443,394.55
  5. Step 5: Solve for x
    x = 3,107,443,394.55/63,661.37
  6. Step 6: Final answer
    x = 48,812.08

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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.