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Finding the Fourth Proportional to 12,412.62, 18,622.98 and 5,013.27

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Solution

The fourth proportional to 12,412.62, 18,622.98 and 5,013.27 is: 7,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.62 : 18,622.98 = 5,013.27 : x
  2. Step 2: Convert to fraction form
    12,412.62/18,622.98 = 5,013.27/x
  3. Step 3: Cross multiply
    12,412.62x = 18,622.98 × 5,013.27
  4. Step 4: Simplify right side
    12,412.62x = 93,362,026.94
  5. Step 5: Solve for x
    x = 93,362,026.94/12,412.62
  6. Step 6: Final answer
    x = 7,521.54

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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.