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Finding the Fourth Proportional to 64,594.71, 89,142.96 and 35,922.49

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Solution

The fourth proportional to 64,594.71, 89,142.96 and 35,922.49 is: 49,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,594.71 : 89,142.96 = 35,922.49 : x
  2. Step 2: Convert to fraction form
    64,594.71/89,142.96 = 35,922.49/x
  3. Step 3: Cross multiply
    64,594.71x = 89,142.96 × 35,922.49
  4. Step 4: Simplify right side
    64,594.71x = 3,202,237,089.17
  5. Step 5: Solve for x
    x = 3,202,237,089.17/64,594.71
  6. Step 6: Final answer
    x = 49,574.29

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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.