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Finding the Fourth Proportional to 16,441.65, 22,683.93 and 9,363.06

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Solution

The fourth proportional to 16,441.65, 22,683.93 and 9,363.06 is: 12,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,441.65 : 22,683.93 = 9,363.06 : x
  2. Step 2: Convert to fraction form
    16,441.65/22,683.93 = 9,363.06/x
  3. Step 3: Cross multiply
    16,441.65x = 22,683.93 × 9,363.06
  4. Step 4: Simplify right side
    16,441.65x = 212,390,997.63
  5. Step 5: Solve for x
    x = 212,390,997.63/16,441.65
  6. Step 6: Final answer
    x = 12,917.86

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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.