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Finding the Fourth Proportional to 16,068.96, 22,176.96 and 8,997.12

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Solution

The fourth proportional to 16,068.96, 22,176.96 and 8,997.12 is: 12,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,068.96 : 22,176.96 = 8,997.12 : x
  2. Step 2: Convert to fraction form
    16,068.96/22,176.96 = 8,997.12/x
  3. Step 3: Cross multiply
    16,068.96x = 22,176.96 × 8,997.12
  4. Step 4: Simplify right side
    16,068.96x = 199,528,770.36
  5. Step 5: Solve for x
    x = 199,528,770.36/16,068.96
  6. Step 6: Final answer
    x = 12,417.03

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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.