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Finding the Fourth Proportional to 64,465.32, 88,960.77 and 35,783.31

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Solution

The fourth proportional to 64,465.32, 88,960.77 and 35,783.31 is: 49,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,465.32 : 88,960.77 = 35,783.31 : x
  2. Step 2: Convert to fraction form
    64,465.32/88,960.77 = 35,783.31/x
  3. Step 3: Cross multiply
    64,465.32x = 88,960.77 × 35,783.31
  4. Step 4: Simplify right side
    64,465.32x = 3,183,310,810.75
  5. Step 5: Solve for x
    x = 3,183,310,810.75/64,465.32
  6. Step 6: Final answer
    x = 49,380.21

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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.