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Finding the Fourth Proportional to 44,364, 61,222.28 and 28,448.40

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Solution

The fourth proportional to 44,364, 61,222.28 and 28,448.40 is: 39,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,364 : 61,222.28 = 28,448.40 : x
  2. Step 2: Convert to fraction form
    44,364/61,222.28 = 28,448.40/x
  3. Step 3: Cross multiply
    44,364x = 61,222.28 × 28,448.40
  4. Step 4: Simplify right side
    44,364x = 1,741,675,910.35
  5. Step 5: Solve for x
    x = 1,741,675,910.35/44,364
  6. Step 6: Final answer
    x = 39,258.77

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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.