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Finding the Fourth Proportional to 18,508.10, 25,524.72 and 13,484.07

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Solution

The fourth proportional to 18,508.10, 25,524.72 and 13,484.07 is: 18,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.10 : 25,524.72 = 13,484.07 : x
  2. Step 2: Convert to fraction form
    18,508.10/25,524.72 = 13,484.07/x
  3. Step 3: Cross multiply
    18,508.10x = 25,524.72 × 13,484.07
  4. Step 4: Simplify right side
    18,508.10x = 344,177,111.21
  5. Step 5: Solve for x
    x = 344,177,111.21/18,508.10
  6. Step 6: Final answer
    x = 18,596.03

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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.