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Finding the Fourth Proportional to 19,847.58, 29,769.53 and 6,700.07

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Solution

The fourth proportional to 19,847.58, 29,769.53 and 6,700.07 is: 10,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.58 : 29,769.53 = 6,700.07 : x
  2. Step 2: Convert to fraction form
    19,847.58/29,769.53 = 6,700.07/x
  3. Step 3: Cross multiply
    19,847.58x = 29,769.53 × 6,700.07
  4. Step 4: Simplify right side
    19,847.58x = 199,457,752.52
  5. Step 5: Solve for x
    x = 199,457,752.52/19,847.58
  6. Step 6: Final answer
    x = 10,049.47

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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.