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Finding the Fourth Proportional to 69,005.29, 103,529.81 and 24,631.06

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Solution

The fourth proportional to 69,005.29, 103,529.81 and 24,631.06 is: 36,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,005.29 : 103,529.81 = 24,631.06 : x
  2. Step 2: Convert to fraction form
    69,005.29/103,529.81 = 24,631.06/x
  3. Step 3: Cross multiply
    69,005.29x = 103,529.81 × 24,631.06
  4. Step 4: Simplify right side
    69,005.29x = 2,550,048,961.90
  5. Step 5: Solve for x
    x = 2,550,048,961.90/69,005.29
  6. Step 6: Final answer
    x = 36,954.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.