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Finding the Fourth Proportional to 64,551.08, 89,083.17 and 35,870.64

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Solution

The fourth proportional to 64,551.08, 89,083.17 and 35,870.64 is: 49,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.08 : 89,083.17 = 35,870.64 : x
  2. Step 2: Convert to fraction form
    64,551.08/89,083.17 = 35,870.64/x
  3. Step 3: Cross multiply
    64,551.08x = 89,083.17 × 35,870.64
  4. Step 4: Simplify right side
    64,551.08x = 3,195,470,232.94
  5. Step 5: Solve for x
    x = 3,195,470,232.94/64,551.08
  6. Step 6: Final answer
    x = 49,502.97

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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.