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Finding the Fourth Proportional to 64,376.67, 88,838.22 and 35,696.45

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Solution

The fourth proportional to 64,376.67, 88,838.22 and 35,696.45 is: 49,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.67 : 88,838.22 = 35,696.45 : x
  2. Step 2: Convert to fraction form
    64,376.67/88,838.22 = 35,696.45/x
  3. Step 3: Cross multiply
    64,376.67x = 88,838.22 × 35,696.45
  4. Step 4: Simplify right side
    64,376.67x = 3,171,208,733.77
  5. Step 5: Solve for x
    x = 3,171,208,733.77/64,376.67
  6. Step 6: Final answer
    x = 49,260.21

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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.