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Finding the Fourth Proportional to 16,008.60, 24,012.90 and 11,861.40

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Solution

The fourth proportional to 16,008.60, 24,012.90 and 11,861.40 is: 17,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,008.60 : 24,012.90 = 11,861.40 : x
  2. Step 2: Convert to fraction form
    16,008.60/24,012.90 = 11,861.40/x
  3. Step 3: Cross multiply
    16,008.60x = 24,012.90 × 11,861.40
  4. Step 4: Simplify right side
    16,008.60x = 284,826,612.06
  5. Step 5: Solve for x
    x = 284,826,612.06/16,008.60
  6. Step 6: Final answer
    x = 17,792.10

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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.