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Finding the Fourth Proportional to 69,578.68, 104,342.84 and 29,600.32

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Solution

The fourth proportional to 69,578.68, 104,342.84 and 29,600.32 is: 44,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,578.68 : 104,342.84 = 29,600.32 : x
  2. Step 2: Convert to fraction form
    69,578.68/104,342.84 = 29,600.32/x
  3. Step 3: Cross multiply
    69,578.68x = 104,342.84 × 29,600.32
  4. Step 4: Simplify right side
    69,578.68x = 3,088,581,453.71
  5. Step 5: Solve for x
    x = 3,088,581,453.71/69,578.68
  6. Step 6: Final answer
    x = 44,389.77

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1.5x scale

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.