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Finding the Fourth Proportional to 19,758.83, 29,653.80 and 8,673.17

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Solution

The fourth proportional to 19,758.83, 29,653.80 and 8,673.17 is: 13,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.83 : 29,653.80 = 8,673.17 : x
  2. Step 2: Convert to fraction form
    19,758.83/29,653.80 = 8,673.17/x
  3. Step 3: Cross multiply
    19,758.83x = 29,653.80 × 8,673.17
  4. Step 4: Simplify right side
    19,758.83x = 257,192,300.28
  5. Step 5: Solve for x
    x = 257,192,300.28/19,758.83
  6. Step 6: Final answer
    x = 13,016.58

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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.