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Finding the Fourth Proportional to 6,904.85, 9,462.30 and 6,240.53

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Solution

The fourth proportional to 6,904.85, 9,462.30 and 6,240.53 is: 8,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.85 : 9,462.30 = 6,240.53 : x
  2. Step 2: Convert to fraction form
    6,904.85/9,462.30 = 6,240.53/x
  3. Step 3: Cross multiply
    6,904.85x = 9,462.30 × 6,240.53
  4. Step 4: Simplify right side
    6,904.85x = 59,049,735.82
  5. Step 5: Solve for x
    x = 59,049,735.82/6,904.85
  6. Step 6: Final answer
    x = 8,551.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.