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Finding the Fourth Proportional to 10,998.42, 16,492.99 and 3,598.80

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Solution

The fourth proportional to 10,998.42, 16,492.99 and 3,598.80 is: 5,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.42 : 16,492.99 = 3,598.80 : x
  2. Step 2: Convert to fraction form
    10,998.42/16,492.99 = 3,598.80/x
  3. Step 3: Cross multiply
    10,998.42x = 16,492.99 × 3,598.80
  4. Step 4: Simplify right side
    10,998.42x = 59,354,972.41
  5. Step 5: Solve for x
    x = 59,354,972.41/10,998.42
  6. Step 6: Final answer
    x = 5,396.68

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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.