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Finding the Fourth Proportional to 33,954.80, 46,860.59 and 19,812.20

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Solution

The fourth proportional to 33,954.80, 46,860.59 and 19,812.20 is: 27,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,954.80 : 46,860.59 = 19,812.20 : x
  2. Step 2: Convert to fraction form
    33,954.80/46,860.59 = 19,812.20/x
  3. Step 3: Cross multiply
    33,954.80x = 46,860.59 × 19,812.20
  4. Step 4: Simplify right side
    33,954.80x = 928,411,297.86
  5. Step 5: Solve for x
    x = 928,411,297.86/33,954.80
  6. Step 6: Final answer
    x = 27,342.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.