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Finding the Fourth Proportional to 9,809.81, 14,715.98 and 3,568.86

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Solution

The fourth proportional to 9,809.81, 14,715.98 and 3,568.86 is: 5,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.81 : 14,715.98 = 3,568.86 : x
  2. Step 2: Convert to fraction form
    9,809.81/14,715.98 = 3,568.86/x
  3. Step 3: Cross multiply
    9,809.81x = 14,715.98 × 3,568.86
  4. Step 4: Simplify right side
    9,809.81x = 52,519,267.92
  5. Step 5: Solve for x
    x = 52,519,267.92/9,809.81
  6. Step 6: Final answer
    x = 5,353.75

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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.