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Finding the Fourth Proportional to 43,492.86, 65,250.24 and 12,328.14

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Solution

The fourth proportional to 43,492.86, 65,250.24 and 12,328.14 is: 18,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.86 : 65,250.24 = 12,328.14 : x
  2. Step 2: Convert to fraction form
    43,492.86/65,250.24 = 12,328.14/x
  3. Step 3: Cross multiply
    43,492.86x = 65,250.24 × 12,328.14
  4. Step 4: Simplify right side
    43,492.86x = 804,414,093.75
  5. Step 5: Solve for x
    x = 804,414,093.75/43,492.86
  6. Step 6: Final answer
    x = 18,495.31

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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.