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Finding the Fourth Proportional to 18,460.35, 27,633.06 and 17,869.86

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Solution

The fourth proportional to 18,460.35, 27,633.06 and 17,869.86 is: 26,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.35 : 27,633.06 = 17,869.86 : x
  2. Step 2: Convert to fraction form
    18,460.35/27,633.06 = 17,869.86/x
  3. Step 3: Cross multiply
    18,460.35x = 27,633.06 × 17,869.86
  4. Step 4: Simplify right side
    18,460.35x = 493,798,913.57
  5. Step 5: Solve for x
    x = 493,798,913.57/18,460.35
  6. Step 6: Final answer
    x = 26,749.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.