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Finding the Fourth Proportional to 30,868.68, 46,303.96 and 9,808.94

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Solution

The fourth proportional to 30,868.68, 46,303.96 and 9,808.94 is: 14,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868.68 : 46,303.96 = 9,808.94 : x
  2. Step 2: Convert to fraction form
    30,868.68/46,303.96 = 9,808.94/x
  3. Step 3: Cross multiply
    30,868.68x = 46,303.96 × 9,808.94
  4. Step 4: Simplify right side
    30,868.68x = 454,192,765.40
  5. Step 5: Solve for x
    x = 454,192,765.40/30,868.68
  6. Step 6: Final answer
    x = 14,713.71

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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.