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Finding the Fourth Proportional to 22,283.60, 33,419.93 and 9,139.73

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Solution

The fourth proportional to 22,283.60, 33,419.93 and 9,139.73 is: 13,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.60 : 33,419.93 = 9,139.73 : x
  2. Step 2: Convert to fraction form
    22,283.60/33,419.93 = 9,139.73/x
  3. Step 3: Cross multiply
    22,283.60x = 33,419.93 × 9,139.73
  4. Step 4: Simplify right side
    22,283.60x = 305,448,924.02
  5. Step 5: Solve for x
    x = 305,448,924.02/22,283.60
  6. Step 6: Final answer
    x = 13,707.34

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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.