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Finding the Fourth Proportional to 32,963.96, 45,490.82 and 18,620.89

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Solution

The fourth proportional to 32,963.96, 45,490.82 and 18,620.89 is: 25,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,963.96 : 45,490.82 = 18,620.89 : x
  2. Step 2: Convert to fraction form
    32,963.96/45,490.82 = 18,620.89/x
  3. Step 3: Cross multiply
    32,963.96x = 45,490.82 × 18,620.89
  4. Step 4: Simplify right side
    32,963.96x = 847,079,348.40
  5. Step 5: Solve for x
    x = 847,079,348.40/32,963.96
  6. Step 6: Final answer
    x = 25,697.13

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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.