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Finding the Fourth Proportional to 18,157.88, 25,058.76 and 10,604.10

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Solution

The fourth proportional to 18,157.88, 25,058.76 and 10,604.10 is: 14,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.88 : 25,058.76 = 10,604.10 : x
  2. Step 2: Convert to fraction form
    18,157.88/25,058.76 = 10,604.10/x
  3. Step 3: Cross multiply
    18,157.88x = 25,058.76 × 10,604.10
  4. Step 4: Simplify right side
    18,157.88x = 265,725,596.92
  5. Step 5: Solve for x
    x = 265,725,596.92/18,157.88
  6. Step 6: Final answer
    x = 14,634.18

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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.