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Finding the Fourth Proportional to 22,281,775.80, 33,475,807.80 and 19,943,435.40

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Solution

The fourth proportional to 22,281,775.80, 33,475,807.80 and 19,943,435.40 is: 29,962,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281,775.80 : 33,475,807.80 = 19,943,435.40 : x
  2. Step 2: Convert to fraction form
    22,281,775.80/33,475,807.80 = 19,943,435.40/x
  3. Step 3: Cross multiply
    22,281,775.80x = 33,475,807.80 × 19,943,435.40
  4. Step 4: Simplify right side
    22,281,775.80x = 667,622,610,322,116.12
  5. Step 5: Solve for x
    x = 667,622,610,322,116.12/22,281,775.80
  6. Step 6: Final answer
    x = 29,962,720.04

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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.