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Finding the Fourth Proportional to 22,419.99, 33,595.05 and 8,376.21

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Solution

The fourth proportional to 22,419.99, 33,595.05 and 8,376.21 is: 12,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.99 : 33,595.05 = 8,376.21 : x
  2. Step 2: Convert to fraction form
    22,419.99/33,595.05 = 8,376.21/x
  3. Step 3: Cross multiply
    22,419.99x = 33,595.05 × 8,376.21
  4. Step 4: Simplify right side
    22,419.99x = 281,399,225.17
  5. Step 5: Solve for x
    x = 281,399,225.17/22,419.99
  6. Step 6: Final answer
    x = 12,551.26

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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.