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Finding the Fourth Proportional to 22,908,655.60, 34,362,983.40 and 22,026,857.20

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Solution

The fourth proportional to 22,908,655.60, 34,362,983.40 and 22,026,857.20 is: 33,040,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908,655.60 : 34,362,983.40 = 22,026,857.20 : x
  2. Step 2: Convert to fraction form
    22,908,655.60/34,362,983.40 = 22,026,857.20/x
  3. Step 3: Cross multiply
    22,908,655.60x = 34,362,983.40 × 22,026,857.20
  4. Step 4: Simplify right side
    22,908,655.60x = 756,908,528,317,770.38
  5. Step 5: Solve for x
    x = 756,908,528,317,770.38/22,908,655.60
  6. Step 6: Final answer
    x = 33,040,285.80

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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.