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Finding the Fourth Proportional to 35,989.29, 53,984.03 and 18,449.55

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Solution

The fourth proportional to 35,989.29, 53,984.03 and 18,449.55 is: 27,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.29 : 53,984.03 = 18,449.55 : x
  2. Step 2: Convert to fraction form
    35,989.29/53,984.03 = 18,449.55/x
  3. Step 3: Cross multiply
    35,989.29x = 53,984.03 × 18,449.55
  4. Step 4: Simplify right side
    35,989.29x = 995,980,968.44
  5. Step 5: Solve for x
    x = 995,980,968.44/35,989.29
  6. Step 6: Final answer
    x = 27,674.37

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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.