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Finding the Fourth Proportional to 64,437.84, 88,924.70 and 35,757.61

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Solution

The fourth proportional to 64,437.84, 88,924.70 and 35,757.61 is: 49,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,437.84 : 88,924.70 = 35,757.61 : x
  2. Step 2: Convert to fraction form
    64,437.84/88,924.70 = 35,757.61/x
  3. Step 3: Cross multiply
    64,437.84x = 88,924.70 × 35,757.61
  4. Step 4: Simplify right side
    64,437.84x = 3,179,734,609.05
  5. Step 5: Solve for x
    x = 3,179,734,609.05/64,437.84
  6. Step 6: Final answer
    x = 49,345.77

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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.