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Finding the Fourth Proportional to 69,618.45, 104,465.49 and 29,630.91

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Solution

The fourth proportional to 69,618.45, 104,465.49 and 29,630.91 is: 44,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.45 : 104,465.49 = 29,630.91 : x
  2. Step 2: Convert to fraction form
    69,618.45/104,465.49 = 29,630.91/x
  3. Step 3: Cross multiply
    69,618.45x = 104,465.49 × 29,630.91
  4. Step 4: Simplify right side
    69,618.45x = 3,095,407,532.30
  5. Step 5: Solve for x
    x = 3,095,407,532.30/69,618.45
  6. Step 6: Final answer
    x = 44,462.46

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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.