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Finding the Fourth Proportional to 9,855.93, 14,787.39 and 6,153.87

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Solution

The fourth proportional to 9,855.93, 14,787.39 and 6,153.87 is: 9,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.93 : 14,787.39 = 6,153.87 : x
  2. Step 2: Convert to fraction form
    9,855.93/14,787.39 = 6,153.87/x
  3. Step 3: Cross multiply
    9,855.93x = 14,787.39 × 6,153.87
  4. Step 4: Simplify right side
    9,855.93x = 90,999,675.70
  5. Step 5: Solve for x
    x = 90,999,675.70/9,855.93
  6. Step 6: Final answer
    x = 9,232.99

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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.