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Finding the Fourth Proportional to 43,792.65, 65,698.20 and 14,208.17

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Solution

The fourth proportional to 43,792.65, 65,698.20 and 14,208.17 is: 21,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,792.65 : 65,698.20 = 14,208.17 : x
  2. Step 2: Convert to fraction form
    43,792.65/65,698.20 = 14,208.17/x
  3. Step 3: Cross multiply
    43,792.65x = 65,698.20 × 14,208.17
  4. Step 4: Simplify right side
    43,792.65x = 933,450,865.80
  5. Step 5: Solve for x
    x = 933,450,865.80/43,792.65
  6. Step 6: Final answer
    x = 21,315.24

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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.