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Finding the Fourth Proportional to 12,353.85, 17,048.25 and 7,048.62

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Solution

The fourth proportional to 12,353.85, 17,048.25 and 7,048.62 is: 9,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.85 : 17,048.25 = 7,048.62 : x
  2. Step 2: Convert to fraction form
    12,353.85/17,048.25 = 7,048.62/x
  3. Step 3: Cross multiply
    12,353.85x = 17,048.25 × 7,048.62
  4. Step 4: Simplify right side
    12,353.85x = 120,166,635.92
  5. Step 5: Solve for x
    x = 120,166,635.92/12,353.85
  6. Step 6: Final answer
    x = 9,727.06

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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.