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Finding the Fourth Proportional to 25,393, 35,042.34 and 14,215.24

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Solution

The fourth proportional to 25,393, 35,042.34 and 14,215.24 is: 19,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393 : 35,042.34 = 14,215.24 : x
  2. Step 2: Convert to fraction form
    25,393/35,042.34 = 14,215.24/x
  3. Step 3: Cross multiply
    25,393x = 35,042.34 × 14,215.24
  4. Step 4: Simplify right side
    25,393x = 498,135,273.26
  5. Step 5: Solve for x
    x = 498,135,273.26/25,393
  6. Step 6: Final answer
    x = 19,617.03

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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.