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Finding the Fourth Proportional to 6,502.79, 9,698.57 and 5,522.00

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Solution

The fourth proportional to 6,502.79, 9,698.57 and 5,522.00 is: 8,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.79 : 9,698.57 = 5,522.00 : x
  2. Step 2: Convert to fraction form
    6,502.79/9,698.57 = 5,522.00/x
  3. Step 3: Cross multiply
    6,502.79x = 9,698.57 × 5,522.00
  4. Step 4: Simplify right side
    6,502.79x = 53,555,427.44
  5. Step 5: Solve for x
    x = 53,555,427.44/6,502.79
  6. Step 6: Final answer
    x = 8,235.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.