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Finding the Fourth Proportional to 30,521.43, 45,799.16 and 16,481.16

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Solution

The fourth proportional to 30,521.43, 45,799.16 and 16,481.16 is: 24,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.43 : 45,799.16 = 16,481.16 : x
  2. Step 2: Convert to fraction form
    30,521.43/45,799.16 = 16,481.16/x
  3. Step 3: Cross multiply
    30,521.43x = 45,799.16 × 16,481.16
  4. Step 4: Simplify right side
    30,521.43x = 754,823,283.83
  5. Step 5: Solve for x
    x = 754,823,283.83/30,521.43
  6. Step 6: Final answer
    x = 24,730.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.