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Finding the Fourth Proportional to 37,516.25, 51,765.25 and 21,383.25

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Solution

The fourth proportional to 37,516.25, 51,765.25 and 21,383.25 is: 29,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,516.25 : 51,765.25 = 21,383.25 : x
  2. Step 2: Convert to fraction form
    37,516.25/51,765.25 = 21,383.25/x
  3. Step 3: Cross multiply
    37,516.25x = 51,765.25 × 21,383.25
  4. Step 4: Simplify right side
    37,516.25x = 1,106,909,282.06
  5. Step 5: Solve for x
    x = 1,106,909,282.06/37,516.25
  6. Step 6: Final answer
    x = 29,504.80

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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.