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Finding the Fourth Proportional to 7,563.76, 11,345.76 and 2,369.68

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Solution

The fourth proportional to 7,563.76, 11,345.76 and 2,369.68 is: 3,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.76 : 11,345.76 = 2,369.68 : x
  2. Step 2: Convert to fraction form
    7,563.76/11,345.76 = 2,369.68/x
  3. Step 3: Cross multiply
    7,563.76x = 11,345.76 × 2,369.68
  4. Step 4: Simplify right side
    7,563.76x = 26,885,820.56
  5. Step 5: Solve for x
    x = 26,885,820.56/7,563.76
  6. Step 6: Final answer
    x = 3,554.56

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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.