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Finding the Fourth Proportional to 28,992.94, 43,494.87 and 9,266.20

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Solution

The fourth proportional to 28,992.94, 43,494.87 and 9,266.20 is: 13,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.94 : 43,494.87 = 9,266.20 : x
  2. Step 2: Convert to fraction form
    28,992.94/43,494.87 = 9,266.20/x
  3. Step 3: Cross multiply
    28,992.94x = 43,494.87 × 9,266.20
  4. Step 4: Simplify right side
    28,992.94x = 403,032,164.39
  5. Step 5: Solve for x
    x = 403,032,164.39/28,992.94
  6. Step 6: Final answer
    x = 13,901.05

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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.