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Finding the Fourth Proportional to 37,059.21, 55,588.93 and 8,979.21

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Solution

The fourth proportional to 37,059.21, 55,588.93 and 8,979.21 is: 13,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,059.21 : 55,588.93 = 8,979.21 : x
  2. Step 2: Convert to fraction form
    37,059.21/55,588.93 = 8,979.21/x
  3. Step 3: Cross multiply
    37,059.21x = 55,588.93 × 8,979.21
  4. Step 4: Simplify right side
    37,059.21x = 499,144,676.15
  5. Step 5: Solve for x
    x = 499,144,676.15/37,059.21
  6. Step 6: Final answer
    x = 13,468.84

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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.