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Finding the Fourth Proportional to 64,436.40, 88,927.10 and 35,761.48

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Solution

The fourth proportional to 64,436.40, 88,927.10 and 35,761.48 is: 49,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,436.40 : 88,927.10 = 35,761.48 : x
  2. Step 2: Convert to fraction form
    64,436.40/88,927.10 = 35,761.48/x
  3. Step 3: Cross multiply
    64,436.40x = 88,927.10 × 35,761.48
  4. Step 4: Simplify right side
    64,436.40x = 3,180,164,708.11
  5. Step 5: Solve for x
    x = 3,180,164,708.11/64,436.40
  6. Step 6: Final answer
    x = 49,353.54

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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.