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Finding the Fourth Proportional to 39,792.80, 59,624.40 and 29,295.20

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Solution

The fourth proportional to 39,792.80, 59,624.40 and 29,295.20 is: 43,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792.80 : 59,624.40 = 29,295.20 : x
  2. Step 2: Convert to fraction form
    39,792.80/59,624.40 = 29,295.20/x
  3. Step 3: Cross multiply
    39,792.80x = 59,624.40 × 29,295.20
  4. Step 4: Simplify right side
    39,792.80x = 1,746,708,722.88
  5. Step 5: Solve for x
    x = 1,746,708,722.88/39,792.80
  6. Step 6: Final answer
    x = 43,895.09

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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.