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Finding the Fourth Proportional to 30,159.84, 41,614.41 and 16,728.22

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Solution

The fourth proportional to 30,159.84, 41,614.41 and 16,728.22 is: 23,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.84 : 41,614.41 = 16,728.22 : x
  2. Step 2: Convert to fraction form
    30,159.84/41,614.41 = 16,728.22/x
  3. Step 3: Cross multiply
    30,159.84x = 41,614.41 × 16,728.22
  4. Step 4: Simplify right side
    30,159.84x = 696,135,026.30
  5. Step 5: Solve for x
    x = 696,135,026.30/30,159.84
  6. Step 6: Final answer
    x = 23,081.52

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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.