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Finding the Fourth Proportional to 47,564.92, 70,928.69 and 44,240.68

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Solution

The fourth proportional to 47,564.92, 70,928.69 and 44,240.68 is: 65,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,564.92 : 70,928.69 = 44,240.68 : x
  2. Step 2: Convert to fraction form
    47,564.92/70,928.69 = 44,240.68/x
  3. Step 3: Cross multiply
    47,564.92x = 70,928.69 × 44,240.68
  4. Step 4: Simplify right side
    47,564.92x = 3,137,933,477.11
  5. Step 5: Solve for x
    x = 3,137,933,477.11/47,564.92
  6. Step 6: Final answer
    x = 65,971.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.