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Finding the Fourth Proportional to 31,393, 43,322.41 and 17,052.90

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Solution

The fourth proportional to 31,393, 43,322.41 and 17,052.90 is: 23,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393 : 43,322.41 = 17,052.90 : x
  2. Step 2: Convert to fraction form
    31,393/43,322.41 = 17,052.90/x
  3. Step 3: Cross multiply
    31,393x = 43,322.41 × 17,052.90
  4. Step 4: Simplify right side
    31,393x = 738,772,725.49
  5. Step 5: Solve for x
    x = 738,772,725.49/31,393
  6. Step 6: Final answer
    x = 23,533.04

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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.