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Finding the Fourth Proportional to 5,855.62, 8,776.68 and 4,006.40

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Solution

The fourth proportional to 5,855.62, 8,776.68 and 4,006.40 is: 6,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.62 : 8,776.68 = 4,006.40 : x
  2. Step 2: Convert to fraction form
    5,855.62/8,776.68 = 4,006.40/x
  3. Step 3: Cross multiply
    5,855.62x = 8,776.68 × 4,006.40
  4. Step 4: Simplify right side
    5,855.62x = 35,162,890.75
  5. Step 5: Solve for x
    x = 35,162,890.75/5,855.62
  6. Step 6: Final answer
    x = 6,004.98

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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.