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Finding the Fourth Proportional to 22,012,977.20, 30,881,941 and 22,012,977.20

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Solution

The fourth proportional to 22,012,977.20, 30,881,941 and 22,012,977.20 is: 30,881,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012,977.20 : 30,881,941 = 22,012,977.20 : x
  2. Step 2: Convert to fraction form
    22,012,977.20/30,881,941 = 22,012,977.20/x
  3. Step 3: Cross multiply
    22,012,977.20x = 30,881,941 × 22,012,977.20
  4. Step 4: Simplify right side
    22,012,977.20x = 679,803,463,124,745.12
  5. Step 5: Solve for x
    x = 679,803,463,124,745.12/22,012,977.20
  6. Step 6: Final answer
    x = 30,881,941.00

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.