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Finding the Fourth Proportional to 40,956,715.60, 61,435,073.40 and 36,846,905.20

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Solution

The fourth proportional to 40,956,715.60, 61,435,073.40 and 36,846,905.20 is: 55,270,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956,715.60 : 61,435,073.40 = 36,846,905.20 : x
  2. Step 2: Convert to fraction form
    40,956,715.60/61,435,073.40 = 36,846,905.20/x
  3. Step 3: Cross multiply
    40,956,715.60x = 61,435,073.40 × 36,846,905.20
  4. Step 4: Simplify right side
    40,956,715.60x = 2,263,692,325,524,842
  5. Step 5: Solve for x
    x = 2,263,692,325,524,842/40,956,715.60
  6. Step 6: Final answer
    x = 55,270,357.80

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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.