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Finding the Fourth Proportional to 9,487.98, 14,226.48 and 3,934.98

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Solution

The fourth proportional to 9,487.98, 14,226.48 and 3,934.98 is: 5,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.98 : 14,226.48 = 3,934.98 : x
  2. Step 2: Convert to fraction form
    9,487.98/14,226.48 = 3,934.98/x
  3. Step 3: Cross multiply
    9,487.98x = 14,226.48 × 3,934.98
  4. Step 4: Simplify right side
    9,487.98x = 55,980,914.27
  5. Step 5: Solve for x
    x = 55,980,914.27/9,487.98
  6. Step 6: Final answer
    x = 5,900.19

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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.