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Finding the Fourth Proportional to 18,572.53, 25,623.86 and 10,609.11

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Solution

The fourth proportional to 18,572.53, 25,623.86 and 10,609.11 is: 14,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.53 : 25,623.86 = 10,609.11 : x
  2. Step 2: Convert to fraction form
    18,572.53/25,623.86 = 10,609.11/x
  3. Step 3: Cross multiply
    18,572.53x = 25,623.86 × 10,609.11
  4. Step 4: Simplify right side
    18,572.53x = 271,846,392.41
  5. Step 5: Solve for x
    x = 271,846,392.41/18,572.53
  6. Step 6: Final answer
    x = 14,637.02

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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.