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Finding the Fourth Proportional to 12,364.25, 18,533.07 and 5,347.62

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Solution

The fourth proportional to 12,364.25, 18,533.07 and 5,347.62 is: 8,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.25 : 18,533.07 = 5,347.62 : x
  2. Step 2: Convert to fraction form
    12,364.25/18,533.07 = 5,347.62/x
  3. Step 3: Cross multiply
    12,364.25x = 18,533.07 × 5,347.62
  4. Step 4: Simplify right side
    12,364.25x = 99,107,815.79
  5. Step 5: Solve for x
    x = 99,107,815.79/12,364.25
  6. Step 6: Final answer
    x = 8,015.68

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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.