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Finding the Fourth Proportional to 5,784.81, 8,676.31 and 1,888.35

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Solution

The fourth proportional to 5,784.81, 8,676.31 and 1,888.35 is: 2,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.81 : 8,676.31 = 1,888.35 : x
  2. Step 2: Convert to fraction form
    5,784.81/8,676.31 = 1,888.35/x
  3. Step 3: Cross multiply
    5,784.81x = 8,676.31 × 1,888.35
  4. Step 4: Simplify right side
    5,784.81x = 16,383,909.99
  5. Step 5: Solve for x
    x = 16,383,909.99/5,784.81
  6. Step 6: Final answer
    x = 2,832.23

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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.