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Finding the Fourth Proportional to 7,797.85, 10,759.53 and 4,440.59

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Solution

The fourth proportional to 7,797.85, 10,759.53 and 4,440.59 is: 6,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.85 : 10,759.53 = 4,440.59 : x
  2. Step 2: Convert to fraction form
    7,797.85/10,759.53 = 4,440.59/x
  3. Step 3: Cross multiply
    7,797.85x = 10,759.53 × 4,440.59
  4. Step 4: Simplify right side
    7,797.85x = 47,778,676.14
  5. Step 5: Solve for x
    x = 47,778,676.14/7,797.85
  6. Step 6: Final answer
    x = 6,127.16

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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.