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Finding the Fourth Proportional to 22,228.40, 33,358.80 and 14,830.40

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Solution

The fourth proportional to 22,228.40, 33,358.80 and 14,830.40 is: 22,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.40 : 33,358.80 = 14,830.40 : x
  2. Step 2: Convert to fraction form
    22,228.40/33,358.80 = 14,830.40/x
  3. Step 3: Cross multiply
    22,228.40x = 33,358.80 × 14,830.40
  4. Step 4: Simplify right side
    22,228.40x = 494,724,347.52
  5. Step 5: Solve for x
    x = 494,724,347.52/22,228.40
  6. Step 6: Final answer
    x = 22,256.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.