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Finding the Fourth Proportional to 8,741.99, 13,098.40 and 6,140.27

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Solution

The fourth proportional to 8,741.99, 13,098.40 and 6,140.27 is: 9,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.99 : 13,098.40 = 6,140.27 : x
  2. Step 2: Convert to fraction form
    8,741.99/13,098.40 = 6,140.27/x
  3. Step 3: Cross multiply
    8,741.99x = 13,098.40 × 6,140.27
  4. Step 4: Simplify right side
    8,741.99x = 80,427,712.57
  5. Step 5: Solve for x
    x = 80,427,712.57/8,741.99
  6. Step 6: Final answer
    x = 9,200.16

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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.