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Finding the Fourth Proportional to 29,787,430.80, 44,681,146.20 and 18,450,022.80

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Solution

The fourth proportional to 29,787,430.80, 44,681,146.20 and 18,450,022.80 is: 27,675,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787,430.80 : 44,681,146.20 = 18,450,022.80 : x
  2. Step 2: Convert to fraction form
    29,787,430.80/44,681,146.20 = 18,450,022.80/x
  3. Step 3: Cross multiply
    29,787,430.80x = 44,681,146.20 × 18,450,022.80
  4. Step 4: Simplify right side
    29,787,430.80x = 824,368,166,120,133.50
  5. Step 5: Solve for x
    x = 824,368,166,120,133.50/29,787,430.80
  6. Step 6: Final answer
    x = 27,675,034.20

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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.