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Finding the Fourth Proportional to 37,065.58, 51,147.24 and 21,955.58

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Solution

The fourth proportional to 37,065.58, 51,147.24 and 21,955.58 is: 30,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.58 : 51,147.24 = 21,955.58 : x
  2. Step 2: Convert to fraction form
    37,065.58/51,147.24 = 21,955.58/x
  3. Step 3: Cross multiply
    37,065.58x = 51,147.24 × 21,955.58
  4. Step 4: Simplify right side
    37,065.58x = 1,122,967,319.60
  5. Step 5: Solve for x
    x = 1,122,967,319.60/37,065.58
  6. Step 6: Final answer
    x = 30,296.77

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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.