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Finding the Fourth Proportional to 7,262.66, 10,899.48 and 5,319.92

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Solution

The fourth proportional to 7,262.66, 10,899.48 and 5,319.92 is: 7,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.66 : 10,899.48 = 5,319.92 : x
  2. Step 2: Convert to fraction form
    7,262.66/10,899.48 = 5,319.92/x
  3. Step 3: Cross multiply
    7,262.66x = 10,899.48 × 5,319.92
  4. Step 4: Simplify right side
    7,262.66x = 57,984,361.64
  5. Step 5: Solve for x
    x = 57,984,361.64/7,262.66
  6. Step 6: Final answer
    x = 7,983.90

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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.