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Finding the Fourth Proportional to 64,119.87, 88,490.00 and 35,438.91

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Solution

The fourth proportional to 64,119.87, 88,490.00 and 35,438.91 is: 48,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.87 : 88,490.00 = 35,438.91 : x
  2. Step 2: Convert to fraction form
    64,119.87/88,490.00 = 35,438.91/x
  3. Step 3: Cross multiply
    64,119.87x = 88,490.00 × 35,438.91
  4. Step 4: Simplify right side
    64,119.87x = 3,135,988,968.71
  5. Step 5: Solve for x
    x = 3,135,988,968.71/64,119.87
  6. Step 6: Final answer
    x = 48,908.23

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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.