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Finding the Fourth Proportional to 19,653.83, 29,479.83 and 6,506.31

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Solution

The fourth proportional to 19,653.83, 29,479.83 and 6,506.31 is: 9,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.83 : 29,479.83 = 6,506.31 : x
  2. Step 2: Convert to fraction form
    19,653.83/29,479.83 = 6,506.31/x
  3. Step 3: Cross multiply
    19,653.83x = 29,479.83 × 6,506.31
  4. Step 4: Simplify right side
    19,653.83x = 191,804,912.73
  5. Step 5: Solve for x
    x = 191,804,912.73/19,653.83
  6. Step 6: Final answer
    x = 9,759.16

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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.