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Finding the Fourth Proportional to 8,886,412.40, 13,335,839.40 and 3,841,343.60

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Solution

The fourth proportional to 8,886,412.40, 13,335,839.40 and 3,841,343.60 is: 5,764,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886,412.40 : 13,335,839.40 = 3,841,343.60 : x
  2. Step 2: Convert to fraction form
    8,886,412.40/13,335,839.40 = 3,841,343.60/x
  3. Step 3: Cross multiply
    8,886,412.40x = 13,335,839.40 × 3,841,343.60
  4. Step 4: Simplify right side
    8,886,412.40x = 51,227,541,329,817.84
  5. Step 5: Solve for x
    x = 51,227,541,329,817.84/8,886,412.40
  6. Step 6: Final answer
    x = 5,764,704.48

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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.