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Finding the Fourth Proportional to 18,328.60, 27,492.90 and 14,610.70

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Solution

The fourth proportional to 18,328.60, 27,492.90 and 14,610.70 is: 21,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.60 : 27,492.90 = 14,610.70 : x
  2. Step 2: Convert to fraction form
    18,328.60/27,492.90 = 14,610.70/x
  3. Step 3: Cross multiply
    18,328.60x = 27,492.90 × 14,610.70
  4. Step 4: Simplify right side
    18,328.60x = 401,690,514.03
  5. Step 5: Solve for x
    x = 401,690,514.03/18,328.60
  6. Step 6: Final answer
    x = 21,916.05

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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.