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Finding the Fourth Proportional to 30,799.99, 46,199.67 and 9,740.03

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Solution

The fourth proportional to 30,799.99, 46,199.67 and 9,740.03 is: 14,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.99 : 46,199.67 = 9,740.03 : x
  2. Step 2: Convert to fraction form
    30,799.99/46,199.67 = 9,740.03/x
  3. Step 3: Cross multiply
    30,799.99x = 46,199.67 × 9,740.03
  4. Step 4: Simplify right side
    30,799.99x = 449,986,214.84
  5. Step 5: Solve for x
    x = 449,986,214.84/30,799.99
  6. Step 6: Final answer
    x = 14,609.95

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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.