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Finding the Fourth Proportional to 10,992.53, 16,492.95 and 6,613.07

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Solution

The fourth proportional to 10,992.53, 16,492.95 and 6,613.07 is: 9,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.53 : 16,492.95 = 6,613.07 : x
  2. Step 2: Convert to fraction form
    10,992.53/16,492.95 = 6,613.07/x
  3. Step 3: Cross multiply
    10,992.53x = 16,492.95 × 6,613.07
  4. Step 4: Simplify right side
    10,992.53x = 109,068,950.39
  5. Step 5: Solve for x
    x = 109,068,950.39/10,992.53
  6. Step 6: Final answer
    x = 9,922.09

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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.