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Finding the Fourth Proportional to 5,782.52, 8,674.95 and 1,885.88

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Solution

The fourth proportional to 5,782.52, 8,674.95 and 1,885.88 is: 2,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.52 : 8,674.95 = 1,885.88 : x
  2. Step 2: Convert to fraction form
    5,782.52/8,674.95 = 1,885.88/x
  3. Step 3: Cross multiply
    5,782.52x = 8,674.95 × 1,885.88
  4. Step 4: Simplify right side
    5,782.52x = 16,359,914.71
  5. Step 5: Solve for x
    x = 16,359,914.71/5,782.52
  6. Step 6: Final answer
    x = 2,829.20

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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.