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Finding the Fourth Proportional to 5,437.50, 8,156.26 and 1,333.50

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Solution

The fourth proportional to 5,437.50, 8,156.26 and 1,333.50 is: 2,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.50 : 8,156.26 = 1,333.50 : x
  2. Step 2: Convert to fraction form
    5,437.50/8,156.26 = 1,333.50/x
  3. Step 3: Cross multiply
    5,437.50x = 8,156.26 × 1,333.50
  4. Step 4: Simplify right side
    5,437.50x = 10,876,372.71
  5. Step 5: Solve for x
    x = 10,876,372.71/5,437.50
  6. Step 6: Final answer
    x = 2,000.25

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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.