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Finding the Fourth Proportional to 19,797.27, 29,698.65 and 6,653.40

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Solution

The fourth proportional to 19,797.27, 29,698.65 and 6,653.40 is: 9,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.27 : 29,698.65 = 6,653.40 : x
  2. Step 2: Convert to fraction form
    19,797.27/29,698.65 = 6,653.40/x
  3. Step 3: Cross multiply
    19,797.27x = 29,698.65 × 6,653.40
  4. Step 4: Simplify right side
    19,797.27x = 197,596,997.91
  5. Step 5: Solve for x
    x = 197,596,997.91/19,797.27
  6. Step 6: Final answer
    x = 9,981.02

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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.