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Finding the Fourth Proportional to 7,350.72, 11,010.72 and 6,313.92

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Solution

The fourth proportional to 7,350.72, 11,010.72 and 6,313.92 is: 9,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.72 : 11,010.72 = 6,313.92 : x
  2. Step 2: Convert to fraction form
    7,350.72/11,010.72 = 6,313.92/x
  3. Step 3: Cross multiply
    7,350.72x = 11,010.72 × 6,313.92
  4. Step 4: Simplify right side
    7,350.72x = 69,520,805.22
  5. Step 5: Solve for x
    x = 69,520,805.22/7,350.72
  6. Step 6: Final answer
    x = 9,457.69

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1.5x scale

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.