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Finding the Fourth Proportional to 43,787,796.40, 65,681,694.60 and 27,663,482.80

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Solution

The fourth proportional to 43,787,796.40, 65,681,694.60 and 27,663,482.80 is: 41,495,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787,796.40 : 65,681,694.60 = 27,663,482.80 : x
  2. Step 2: Convert to fraction form
    43,787,796.40/65,681,694.60 = 27,663,482.80/x
  3. Step 3: Cross multiply
    43,787,796.40x = 65,681,694.60 × 27,663,482.80
  4. Step 4: Simplify right side
    43,787,796.40x = 1,816,984,428,841,953
  5. Step 5: Solve for x
    x = 1,816,984,428,841,953/43,787,796.40
  6. Step 6: Final answer
    x = 41,495,224.20

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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.