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Finding the Fourth Proportional to 8,792.10, 13,190.73 and 4,899.30

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Solution

The fourth proportional to 8,792.10, 13,190.73 and 4,899.30 is: 7,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.10 : 13,190.73 = 4,899.30 : x
  2. Step 2: Convert to fraction form
    8,792.10/13,190.73 = 4,899.30/x
  3. Step 3: Cross multiply
    8,792.10x = 13,190.73 × 4,899.30
  4. Step 4: Simplify right side
    8,792.10x = 64,625,343.49
  5. Step 5: Solve for x
    x = 64,625,343.49/8,792.10
  6. Step 6: Final answer
    x = 7,350.39

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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.