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Finding the Fourth Proportional to 8,313.56, 12,473.04 and 5,551.46

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Solution

The fourth proportional to 8,313.56, 12,473.04 and 5,551.46 is: 8,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.56 : 12,473.04 = 5,551.46 : x
  2. Step 2: Convert to fraction form
    8,313.56/12,473.04 = 5,551.46/x
  3. Step 3: Cross multiply
    8,313.56x = 12,473.04 × 5,551.46
  4. Step 4: Simplify right side
    8,313.56x = 69,243,582.64
  5. Step 5: Solve for x
    x = 69,243,582.64/8,313.56
  6. Step 6: Final answer
    x = 8,328.99

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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.