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Finding the Fourth Proportional to 8,412.03, 11,607.09 and 4,874.55

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Solution

The fourth proportional to 8,412.03, 11,607.09 and 4,874.55 is: 6,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.03 : 11,607.09 = 4,874.55 : x
  2. Step 2: Convert to fraction form
    8,412.03/11,607.09 = 4,874.55/x
  3. Step 3: Cross multiply
    8,412.03x = 11,607.09 × 4,874.55
  4. Step 4: Simplify right side
    8,412.03x = 56,579,340.56
  5. Step 5: Solve for x
    x = 56,579,340.56/8,412.03
  6. Step 6: Final answer
    x = 6,726.00

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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.