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Finding the Fourth Proportional to 63,992.88, 88,307.64 and 35,697.96

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Solution

The fourth proportional to 63,992.88, 88,307.64 and 35,697.96 is: 49,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.88 : 88,307.64 = 35,697.96 : x
  2. Step 2: Convert to fraction form
    63,992.88/88,307.64 = 35,697.96/x
  3. Step 3: Cross multiply
    63,992.88x = 88,307.64 × 35,697.96
  4. Step 4: Simplify right side
    63,992.88x = 3,152,402,600.41
  5. Step 5: Solve for x
    x = 3,152,402,600.41/63,992.88
  6. Step 6: Final answer
    x = 49,261.77

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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.