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Finding the Fourth Proportional to 59,745.60, 89,630.69 and 49,953.31

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Solution

The fourth proportional to 59,745.60, 89,630.69 and 49,953.31 is: 74,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,745.60 : 89,630.69 = 49,953.31 : x
  2. Step 2: Convert to fraction form
    59,745.60/89,630.69 = 49,953.31/x
  3. Step 3: Cross multiply
    59,745.60x = 89,630.69 × 49,953.31
  4. Step 4: Simplify right side
    59,745.60x = 4,477,349,169.24
  5. Step 5: Solve for x
    x = 4,477,349,169.24/59,745.60
  6. Step 6: Final answer
    x = 74,940.23

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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.