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Finding the Fourth Proportional to 19,653.45, 29,489.76 and 9,794.19

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Solution

The fourth proportional to 19,653.45, 29,489.76 and 9,794.19 is: 14,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.45 : 29,489.76 = 9,794.19 : x
  2. Step 2: Convert to fraction form
    19,653.45/29,489.76 = 9,794.19/x
  3. Step 3: Cross multiply
    19,653.45x = 29,489.76 × 9,794.19
  4. Step 4: Simplify right side
    19,653.45x = 288,828,312.49
  5. Step 5: Solve for x
    x = 288,828,312.49/19,653.45
  6. Step 6: Final answer
    x = 14,696.06

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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.