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Finding the Fourth Proportional to 18,274.35, 27,417.12 and 8,913.04

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Solution

The fourth proportional to 18,274.35, 27,417.12 and 8,913.04 is: 13,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.35 : 27,417.12 = 8,913.04 : x
  2. Step 2: Convert to fraction form
    18,274.35/27,417.12 = 8,913.04/x
  3. Step 3: Cross multiply
    18,274.35x = 27,417.12 × 8,913.04
  4. Step 4: Simplify right side
    18,274.35x = 244,369,887.24
  5. Step 5: Solve for x
    x = 244,369,887.24/18,274.35
  6. Step 6: Final answer
    x = 13,372.29

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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.