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Finding the Fourth Proportional to 7,313.79, 10,973.43 and 4,353.94

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Solution

The fourth proportional to 7,313.79, 10,973.43 and 4,353.94 is: 6,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.79 : 10,973.43 = 4,353.94 : x
  2. Step 2: Convert to fraction form
    7,313.79/10,973.43 = 4,353.94/x
  3. Step 3: Cross multiply
    7,313.79x = 10,973.43 × 4,353.94
  4. Step 4: Simplify right side
    7,313.79x = 47,777,655.81
  5. Step 5: Solve for x
    x = 47,777,655.81/7,313.79
  6. Step 6: Final answer
    x = 6,532.54

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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.