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Finding the Fourth Proportional to 72,942.66, 100,610.91 and 44,662.32

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Solution

The fourth proportional to 72,942.66, 100,610.91 and 44,662.32 is: 61,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,942.66 : 100,610.91 = 44,662.32 : x
  2. Step 2: Convert to fraction form
    72,942.66/100,610.91 = 44,662.32/x
  3. Step 3: Cross multiply
    72,942.66x = 100,610.91 × 44,662.32
  4. Step 4: Simplify right side
    72,942.66x = 4,493,516,657.91
  5. Step 5: Solve for x
    x = 4,493,516,657.91/72,942.66
  6. Step 6: Final answer
    x = 61,603.41

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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.