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Finding the Fourth Proportional to 28,453.82, 42,680.73 and 9,734.03

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Solution

The fourth proportional to 28,453.82, 42,680.73 and 9,734.03 is: 14,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.82 : 42,680.73 = 9,734.03 : x
  2. Step 2: Convert to fraction form
    28,453.82/42,680.73 = 9,734.03/x
  3. Step 3: Cross multiply
    28,453.82x = 42,680.73 × 9,734.03
  4. Step 4: Simplify right side
    28,453.82x = 415,455,506.24
  5. Step 5: Solve for x
    x = 415,455,506.24/28,453.82
  6. Step 6: Final answer
    x = 14,601.05

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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.