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Finding the Fourth Proportional to 6,307.11, 8,701.92 and 3,653.55

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Solution

The fourth proportional to 6,307.11, 8,701.92 and 3,653.55 is: 5,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.11 : 8,701.92 = 3,653.55 : x
  2. Step 2: Convert to fraction form
    6,307.11/8,701.92 = 3,653.55/x
  3. Step 3: Cross multiply
    6,307.11x = 8,701.92 × 3,653.55
  4. Step 4: Simplify right side
    6,307.11x = 31,792,899.82
  5. Step 5: Solve for x
    x = 31,792,899.82/6,307.11
  6. Step 6: Final answer
    x = 5,040.80

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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.