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Finding the Fourth Proportional to 64,374.49, 88,835.70 and 35,694.01

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Solution

The fourth proportional to 64,374.49, 88,835.70 and 35,694.01 is: 49,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.49 : 88,835.70 = 35,694.01 : x
  2. Step 2: Convert to fraction form
    64,374.49/88,835.70 = 35,694.01/x
  3. Step 3: Cross multiply
    64,374.49x = 88,835.70 × 35,694.01
  4. Step 4: Simplify right side
    64,374.49x = 3,170,902,364.16
  5. Step 5: Solve for x
    x = 3,170,902,364.16/64,374.49
  6. Step 6: Final answer
    x = 49,257.13

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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.