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Finding the Fourth Proportional to 69,800.10, 96,322.41 and 39,585.48

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Solution

The fourth proportional to 69,800.10, 96,322.41 and 39,585.48 is: 54,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.10 : 96,322.41 = 39,585.48 : x
  2. Step 2: Convert to fraction form
    69,800.10/96,322.41 = 39,585.48/x
  3. Step 3: Cross multiply
    69,800.10x = 96,322.41 × 39,585.48
  4. Step 4: Simplify right side
    69,800.10x = 3,812,968,834.61
  5. Step 5: Solve for x
    x = 3,812,968,834.61/69,800.10
  6. Step 6: Final answer
    x = 54,626.98

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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.