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Finding the Fourth Proportional to 14,916.01, 20,583.57 and 8,944.15

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Solution

The fourth proportional to 14,916.01, 20,583.57 and 8,944.15 is: 12,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.01 : 20,583.57 = 8,944.15 : x
  2. Step 2: Convert to fraction form
    14,916.01/20,583.57 = 8,944.15/x
  3. Step 3: Cross multiply
    14,916.01x = 20,583.57 × 8,944.15
  4. Step 4: Simplify right side
    14,916.01x = 184,102,537.62
  5. Step 5: Solve for x
    x = 184,102,537.62/14,916.01
  6. Step 6: Final answer
    x = 12,342.61

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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.