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Finding the Fourth Proportional to 8,369.53, 12,554.34 and 2,822.93

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Solution

The fourth proportional to 8,369.53, 12,554.34 and 2,822.93 is: 4,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.53 : 12,554.34 = 2,822.93 : x
  2. Step 2: Convert to fraction form
    8,369.53/12,554.34 = 2,822.93/x
  3. Step 3: Cross multiply
    8,369.53x = 12,554.34 × 2,822.93
  4. Step 4: Simplify right side
    8,369.53x = 35,439,977.31
  5. Step 5: Solve for x
    x = 35,439,977.31/8,369.53
  6. Step 6: Final answer
    x = 4,234.40

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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.