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Finding the Fourth Proportional to 64,122.56, 88,490.58 and 35,828.18

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Solution

The fourth proportional to 64,122.56, 88,490.58 and 35,828.18 is: 49,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.56 : 88,490.58 = 35,828.18 : x
  2. Step 2: Convert to fraction form
    64,122.56/88,490.58 = 35,828.18/x
  3. Step 3: Cross multiply
    64,122.56x = 88,490.58 × 35,828.18
  4. Step 4: Simplify right side
    64,122.56x = 3,170,456,428.54
  5. Step 5: Solve for x
    x = 3,170,456,428.54/64,122.56
  6. Step 6: Final answer
    x = 49,443.70

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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.