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Finding the Fourth Proportional to 29,630.73, 40,894.16 and 16,888.49

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Solution

The fourth proportional to 29,630.73, 40,894.16 and 16,888.49 is: 23,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,630.73 : 40,894.16 = 16,888.49 : x
  2. Step 2: Convert to fraction form
    29,630.73/40,894.16 = 16,888.49/x
  3. Step 3: Cross multiply
    29,630.73x = 40,894.16 × 16,888.49
  4. Step 4: Simplify right side
    29,630.73x = 690,640,612.22
  5. Step 5: Solve for x
    x = 690,640,612.22/29,630.73
  6. Step 6: Final answer
    x = 23,308.26

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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.