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Finding the Fourth Proportional to 63,573.36, 87,745.19 and 49,748.32

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Solution

The fourth proportional to 63,573.36, 87,745.19 and 49,748.32 is: 68,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,573.36 : 87,745.19 = 49,748.32 : x
  2. Step 2: Convert to fraction form
    63,573.36/87,745.19 = 49,748.32/x
  3. Step 3: Cross multiply
    63,573.36x = 87,745.19 × 49,748.32
  4. Step 4: Simplify right side
    63,573.36x = 4,365,175,790.58
  5. Step 5: Solve for x
    x = 4,365,175,790.58/63,573.36
  6. Step 6: Final answer
    x = 68,663.60

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1.5x scale

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.