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Finding the Fourth Proportional to 18,096,019.20, 27,144,028.80 and 16,304,428.80

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Solution

The fourth proportional to 18,096,019.20, 27,144,028.80 and 16,304,428.80 is: 24,456,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096,019.20 : 27,144,028.80 = 16,304,428.80 : x
  2. Step 2: Convert to fraction form
    18,096,019.20/27,144,028.80 = 16,304,428.80/x
  3. Step 3: Cross multiply
    18,096,019.20x = 27,144,028.80 × 16,304,428.80
  4. Step 4: Simplify right side
    18,096,019.20x = 442,567,884,914,749.50
  5. Step 5: Solve for x
    x = 442,567,884,914,749.50/18,096,019.20
  6. Step 6: Final answer
    x = 24,456,643.20

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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.