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Finding the Fourth Proportional to 9,492.34, 14,242.10 and 3,945.22

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Solution

The fourth proportional to 9,492.34, 14,242.10 and 3,945.22 is: 5,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.34 : 14,242.10 = 3,945.22 : x
  2. Step 2: Convert to fraction form
    9,492.34/14,242.10 = 3,945.22/x
  3. Step 3: Cross multiply
    9,492.34x = 14,242.10 × 3,945.22
  4. Step 4: Simplify right side
    9,492.34x = 56,188,275.83
  5. Step 5: Solve for x
    x = 56,188,275.83/9,492.34
  6. Step 6: Final answer
    x = 5,919.33

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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.