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Finding the Fourth Proportional to 37,968.99, 52,397.22 and 21,201.99

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Solution

The fourth proportional to 37,968.99, 52,397.22 and 21,201.99 is: 29,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,968.99 : 52,397.22 = 21,201.99 : x
  2. Step 2: Convert to fraction form
    37,968.99/52,397.22 = 21,201.99/x
  3. Step 3: Cross multiply
    37,968.99x = 52,397.22 × 21,201.99
  4. Step 4: Simplify right side
    37,968.99x = 1,110,925,334.47
  5. Step 5: Solve for x
    x = 1,110,925,334.47/37,968.99
  6. Step 6: Final answer
    x = 29,258.75

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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.