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Finding the Fourth Proportional to 5,926.44, 8,890.17 and 1,543.90

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Solution

The fourth proportional to 5,926.44, 8,890.17 and 1,543.90 is: 2,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.44 : 8,890.17 = 1,543.90 : x
  2. Step 2: Convert to fraction form
    5,926.44/8,890.17 = 1,543.90/x
  3. Step 3: Cross multiply
    5,926.44x = 8,890.17 × 1,543.90
  4. Step 4: Simplify right side
    5,926.44x = 13,725,533.46
  5. Step 5: Solve for x
    x = 13,725,533.46/5,926.44
  6. Step 6: Final answer
    x = 2,315.98

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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.