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Finding the Fourth Proportional to 9,976.20, 13,762.77 and 5,994.99

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Solution

The fourth proportional to 9,976.20, 13,762.77 and 5,994.99 is: 8,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.20 : 13,762.77 = 5,994.99 : x
  2. Step 2: Convert to fraction form
    9,976.20/13,762.77 = 5,994.99/x
  3. Step 3: Cross multiply
    9,976.20x = 13,762.77 × 5,994.99
  4. Step 4: Simplify right side
    9,976.20x = 82,507,668.52
  5. Step 5: Solve for x
    x = 82,507,668.52/9,976.20
  6. Step 6: Final answer
    x = 8,270.45

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Double scale
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Similar ratio
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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.