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Finding the Fourth Proportional to 30,334.68, 41,859.72 and 16,905.33

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Solution

The fourth proportional to 30,334.68, 41,859.72 and 16,905.33 is: 23,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.68 : 41,859.72 = 16,905.33 : x
  2. Step 2: Convert to fraction form
    30,334.68/41,859.72 = 16,905.33/x
  3. Step 3: Cross multiply
    30,334.68x = 41,859.72 × 16,905.33
  4. Step 4: Simplify right side
    30,334.68x = 707,652,380.31
  5. Step 5: Solve for x
    x = 707,652,380.31/30,334.68
  6. Step 6: Final answer
    x = 23,328.16

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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.