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Finding the Fourth Proportional to 9,662.80, 14,483.40 and 5,504.80

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Solution

The fourth proportional to 9,662.80, 14,483.40 and 5,504.80 is: 8,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.80 : 14,483.40 = 5,504.80 : x
  2. Step 2: Convert to fraction form
    9,662.80/14,483.40 = 5,504.80/x
  3. Step 3: Cross multiply
    9,662.80x = 14,483.40 × 5,504.80
  4. Step 4: Simplify right side
    9,662.80x = 79,728,220.32
  5. Step 5: Solve for x
    x = 79,728,220.32/9,662.80
  6. Step 6: Final answer
    x = 8,251.05

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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.