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Finding the Fourth Proportional to 7,558.31, 11,337.47 and 2,941.31

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Solution

The fourth proportional to 7,558.31, 11,337.47 and 2,941.31 is: 4,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.31 : 11,337.47 = 2,941.31 : x
  2. Step 2: Convert to fraction form
    7,558.31/11,337.47 = 2,941.31/x
  3. Step 3: Cross multiply
    7,558.31x = 11,337.47 × 2,941.31
  4. Step 4: Simplify right side
    7,558.31x = 33,347,038.55
  5. Step 5: Solve for x
    x = 33,347,038.55/7,558.31
  6. Step 6: Final answer
    x = 4,411.97

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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.