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Finding the Fourth Proportional to 9,338.91, 13,998.65 and 3,492.99

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Solution

The fourth proportional to 9,338.91, 13,998.65 and 3,492.99 is: 5,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.91 : 13,998.65 = 3,492.99 : x
  2. Step 2: Convert to fraction form
    9,338.91/13,998.65 = 3,492.99/x
  3. Step 3: Cross multiply
    9,338.91x = 13,998.65 × 3,492.99
  4. Step 4: Simplify right side
    9,338.91x = 48,897,127.00
  5. Step 5: Solve for x
    x = 48,897,127.00/9,338.91
  6. Step 6: Final answer
    x = 5,235.85

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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.