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Finding the Fourth Proportional to 27,996,656.40, 41,994,984.60 and 23,213,687.40

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Solution

The fourth proportional to 27,996,656.40, 41,994,984.60 and 23,213,687.40 is: 34,820,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996,656.40 : 41,994,984.60 = 23,213,687.40 : x
  2. Step 2: Convert to fraction form
    27,996,656.40/41,994,984.60 = 23,213,687.40/x
  3. Step 3: Cross multiply
    27,996,656.40x = 41,994,984.60 × 23,213,687.40
  4. Step 4: Simplify right side
    27,996,656.40x = 974,858,444,872,214
  5. Step 5: Solve for x
    x = 974,858,444,872,214/27,996,656.40
  6. Step 6: Final answer
    x = 34,820,531.10

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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.