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Finding the Fourth Proportional to 64,285.53, 88,712.07 and 35,604.05

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Solution

The fourth proportional to 64,285.53, 88,712.07 and 35,604.05 is: 49,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,285.53 : 88,712.07 = 35,604.05 : x
  2. Step 2: Convert to fraction form
    64,285.53/88,712.07 = 35,604.05/x
  3. Step 3: Cross multiply
    64,285.53x = 88,712.07 × 35,604.05
  4. Step 4: Simplify right side
    64,285.53x = 3,158,509,197.66
  5. Step 5: Solve for x
    x = 3,158,509,197.66/64,285.53
  6. Step 6: Final answer
    x = 49,132.51

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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.