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Finding the Fourth Proportional to 7,798.55, 10,759.30 and 6,103.17

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Solution

The fourth proportional to 7,798.55, 10,759.30 and 6,103.17 is: 8,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.55 : 10,759.30 = 6,103.17 : x
  2. Step 2: Convert to fraction form
    7,798.55/10,759.30 = 6,103.17/x
  3. Step 3: Cross multiply
    7,798.55x = 10,759.30 × 6,103.17
  4. Step 4: Simplify right side
    7,798.55x = 65,665,884.96
  5. Step 5: Solve for x
    x = 65,665,884.96/7,798.55
  6. Step 6: Final answer
    x = 8,420.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.