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Finding the Fourth Proportional to 18,552.60, 25,607.43 and 11,474.91

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Solution

The fourth proportional to 18,552.60, 25,607.43 and 11,474.91 is: 15,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.60 : 25,607.43 = 11,474.91 : x
  2. Step 2: Convert to fraction form
    18,552.60/25,607.43 = 11,474.91/x
  3. Step 3: Cross multiply
    18,552.60x = 25,607.43 × 11,474.91
  4. Step 4: Simplify right side
    18,552.60x = 293,842,954.58
  5. Step 5: Solve for x
    x = 293,842,954.58/18,552.60
  6. Step 6: Final answer
    x = 15,838.37

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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.