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Finding the Fourth Proportional to 16,554.16, 22,845.18 and 9,000.99

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Solution

The fourth proportional to 16,554.16, 22,845.18 and 9,000.99 is: 12,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.16 : 22,845.18 = 9,000.99 : x
  2. Step 2: Convert to fraction form
    16,554.16/22,845.18 = 9,000.99/x
  3. Step 3: Cross multiply
    16,554.16x = 22,845.18 × 9,000.99
  4. Step 4: Simplify right side
    16,554.16x = 205,629,316.34
  5. Step 5: Solve for x
    x = 205,629,316.34/16,554.16
  6. Step 6: Final answer
    x = 12,421.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.