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Finding the Fourth Proportional to 28,963.55, 43,446.08 and 9,242.08

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Solution

The fourth proportional to 28,963.55, 43,446.08 and 9,242.08 is: 13,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.55 : 43,446.08 = 9,242.08 : x
  2. Step 2: Convert to fraction form
    28,963.55/43,446.08 = 9,242.08/x
  3. Step 3: Cross multiply
    28,963.55x = 43,446.08 × 9,242.08
  4. Step 4: Simplify right side
    28,963.55x = 401,532,189.80
  5. Step 5: Solve for x
    x = 401,532,189.80/28,963.55
  6. Step 6: Final answer
    x = 13,863.36

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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.