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Finding the Fourth Proportional to 5,855.49, 8,783.81 and 1,695.41

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Solution

The fourth proportional to 5,855.49, 8,783.81 and 1,695.41 is: 2,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.49 : 8,783.81 = 1,695.41 : x
  2. Step 2: Convert to fraction form
    5,855.49/8,783.81 = 1,695.41/x
  3. Step 3: Cross multiply
    5,855.49x = 8,783.81 × 1,695.41
  4. Step 4: Simplify right side
    5,855.49x = 14,892,106.92
  5. Step 5: Solve for x
    x = 14,892,106.92/5,855.49
  6. Step 6: Final answer
    x = 2,543.27

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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.