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Finding the Fourth Proportional to 35,011,602.80, 52,481,974.80 and 20,627,266.40

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Solution

The fourth proportional to 35,011,602.80, 52,481,974.80 and 20,627,266.40 is: 30,920,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,011,602.80 : 52,481,974.80 = 20,627,266.40 : x
  2. Step 2: Convert to fraction form
    35,011,602.80/52,481,974.80 = 20,627,266.40/x
  3. Step 3: Cross multiply
    35,011,602.80x = 52,481,974.80 × 20,627,266.40
  4. Step 4: Simplify right side
    35,011,602.80x = 1,082,559,675,397,686.62
  5. Step 5: Solve for x
    x = 1,082,559,675,397,686.62/35,011,602.80
  6. Step 6: Final answer
    x = 30,920,026.19

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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.