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Finding the Fourth Proportional to 22,400.30, 33,608.00 and 9,918.60

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Solution

The fourth proportional to 22,400.30, 33,608.00 and 9,918.60 is: 14,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.30 : 33,608.00 = 9,918.60 : x
  2. Step 2: Convert to fraction form
    22,400.30/33,608.00 = 9,918.60/x
  3. Step 3: Cross multiply
    22,400.30x = 33,608.00 × 9,918.60
  4. Step 4: Simplify right side
    22,400.30x = 333,344,333.60
  5. Step 5: Solve for x
    x = 333,344,333.60/22,400.30
  6. Step 6: Final answer
    x = 14,881.25

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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.