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Finding the Fourth Proportional to 9,457.80, 14,184.41 and 4,189.90

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Solution

The fourth proportional to 9,457.80, 14,184.41 and 4,189.90 is: 6,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.80 : 14,184.41 = 4,189.90 : x
  2. Step 2: Convert to fraction form
    9,457.80/14,184.41 = 4,189.90/x
  3. Step 3: Cross multiply
    9,457.80x = 14,184.41 × 4,189.90
  4. Step 4: Simplify right side
    9,457.80x = 59,431,234.47
  5. Step 5: Solve for x
    x = 59,431,234.47/9,457.80
  6. Step 6: Final answer
    x = 6,283.83

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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.