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Finding the Fourth Proportional to 16,448.94, 22,699.98 and 9,375.21

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Solution

The fourth proportional to 16,448.94, 22,699.98 and 9,375.21 is: 12,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,448.94 : 22,699.98 = 9,375.21 : x
  2. Step 2: Convert to fraction form
    16,448.94/22,699.98 = 9,375.21/x
  3. Step 3: Cross multiply
    16,448.94x = 22,699.98 × 9,375.21
  4. Step 4: Simplify right side
    16,448.94x = 212,817,079.50
  5. Step 5: Solve for x
    x = 212,817,079.50/16,448.94
  6. Step 6: Final answer
    x = 12,938.04

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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.