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Finding the Fourth Proportional to 63,153.44, 94,730.40 and 39,721.76

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Solution

The fourth proportional to 63,153.44, 94,730.40 and 39,721.76 is: 59,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.44 : 94,730.40 = 39,721.76 : x
  2. Step 2: Convert to fraction form
    63,153.44/94,730.40 = 39,721.76/x
  3. Step 3: Cross multiply
    63,153.44x = 94,730.40 × 39,721.76
  4. Step 4: Simplify right side
    63,153.44x = 3,762,858,213.50
  5. Step 5: Solve for x
    x = 3,762,858,213.50/63,153.44
  6. Step 6: Final answer
    x = 59,582.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.