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Finding the Fourth Proportional to 33,792.63, 46,633 and 18,684.90

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Solution

The fourth proportional to 33,792.63, 46,633 and 18,684.90 is: 25,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,792.63 : 46,633 = 18,684.90 : x
  2. Step 2: Convert to fraction form
    33,792.63/46,633 = 18,684.90/x
  3. Step 3: Cross multiply
    33,792.63x = 46,633 × 18,684.90
  4. Step 4: Simplify right side
    33,792.63x = 871,332,941.70
  5. Step 5: Solve for x
    x = 871,332,941.70/33,792.63
  6. Step 6: Final answer
    x = 25,784.70

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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.