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Finding the Fourth Proportional to 6,271.85, 9,415.98 and 5,304.11

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Solution

The fourth proportional to 6,271.85, 9,415.98 and 5,304.11 is: 7,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.85 : 9,415.98 = 5,304.11 : x
  2. Step 2: Convert to fraction form
    6,271.85/9,415.98 = 5,304.11/x
  3. Step 3: Cross multiply
    6,271.85x = 9,415.98 × 5,304.11
  4. Step 4: Simplify right side
    6,271.85x = 49,943,346.60
  5. Step 5: Solve for x
    x = 49,943,346.60/6,271.85
  6. Step 6: Final answer
    x = 7,963.09

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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.