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Finding the Fourth Proportional to 9,335.70, 13,998.15 and 3,492.90

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Solution

The fourth proportional to 9,335.70, 13,998.15 and 3,492.90 is: 5,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.70 : 13,998.15 = 3,492.90 : x
  2. Step 2: Convert to fraction form
    9,335.70/13,998.15 = 3,492.90/x
  3. Step 3: Cross multiply
    9,335.70x = 13,998.15 × 3,492.90
  4. Step 4: Simplify right side
    9,335.70x = 48,894,138.14
  5. Step 5: Solve for x
    x = 48,894,138.14/9,335.70
  6. Step 6: Final answer
    x = 5,237.33

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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.