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Finding the Fourth Proportional to 8,861.99, 13,297.53 and 6,090.89

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Solution

The fourth proportional to 8,861.99, 13,297.53 and 6,090.89 is: 9,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.99 : 13,297.53 = 6,090.89 : x
  2. Step 2: Convert to fraction form
    8,861.99/13,297.53 = 6,090.89/x
  3. Step 3: Cross multiply
    8,861.99x = 13,297.53 × 6,090.89
  4. Step 4: Simplify right side
    8,861.99x = 80,993,792.50
  5. Step 5: Solve for x
    x = 80,993,792.50/8,861.99
  6. Step 6: Final answer
    x = 9,139.46

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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.