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Finding the Fourth Proportional to 19,933.93, 29,900.93 and 18,716.04

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Solution

The fourth proportional to 19,933.93, 29,900.93 and 18,716.04 is: 28,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.93 : 29,900.93 = 18,716.04 : x
  2. Step 2: Convert to fraction form
    19,933.93/29,900.93 = 18,716.04/x
  3. Step 3: Cross multiply
    19,933.93x = 29,900.93 × 18,716.04
  4. Step 4: Simplify right side
    19,933.93x = 559,627,013.61
  5. Step 5: Solve for x
    x = 559,627,013.61/19,933.93
  6. Step 6: Final answer
    x = 28,074.10

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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.