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Finding the Fourth Proportional to 18,408.04, 27,612.06 and 4,557.04

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Solution

The fourth proportional to 18,408.04, 27,612.06 and 4,557.04 is: 6,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.04 : 27,612.06 = 4,557.04 : x
  2. Step 2: Convert to fraction form
    18,408.04/27,612.06 = 4,557.04/x
  3. Step 3: Cross multiply
    18,408.04x = 27,612.06 × 4,557.04
  4. Step 4: Simplify right side
    18,408.04x = 125,829,261.90
  5. Step 5: Solve for x
    x = 125,829,261.90/18,408.04
  6. Step 6: Final answer
    x = 6,835.56

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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.