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Finding the Fourth Proportional to 33,636.96, 46,414.16 and 19,487.20

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Solution

The fourth proportional to 33,636.96, 46,414.16 and 19,487.20 is: 26,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,636.96 : 46,414.16 = 19,487.20 : x
  2. Step 2: Convert to fraction form
    33,636.96/46,414.16 = 19,487.20/x
  3. Step 3: Cross multiply
    33,636.96x = 46,414.16 × 19,487.20
  4. Step 4: Simplify right side
    33,636.96x = 904,482,018.75
  5. Step 5: Solve for x
    x = 904,482,018.75/33,636.96
  6. Step 6: Final answer
    x = 26,889.53

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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.