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Finding the Fourth Proportional to 12,325.38, 17,012.08 and 7,023.34

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Solution

The fourth proportional to 12,325.38, 17,012.08 and 7,023.34 is: 9,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.38 : 17,012.08 = 7,023.34 : x
  2. Step 2: Convert to fraction form
    12,325.38/17,012.08 = 7,023.34/x
  3. Step 3: Cross multiply
    12,325.38x = 17,012.08 × 7,023.34
  4. Step 4: Simplify right side
    12,325.38x = 119,481,621.95
  5. Step 5: Solve for x
    x = 119,481,621.95/12,325.38
  6. Step 6: Final answer
    x = 9,693.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.