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Finding the Fourth Proportional to 30,393.16, 45,669.92 and 16,363.56

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Solution

The fourth proportional to 30,393.16, 45,669.92 and 16,363.56 is: 24,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.16 : 45,669.92 = 16,363.56 : x
  2. Step 2: Convert to fraction form
    30,393.16/45,669.92 = 16,363.56/x
  3. Step 3: Cross multiply
    30,393.16x = 45,669.92 × 16,363.56
  4. Step 4: Simplify right side
    30,393.16x = 747,322,476.12
  5. Step 5: Solve for x
    x = 747,322,476.12/30,393.16
  6. Step 6: Final answer
    x = 24,588.51

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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.