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Finding the Fourth Proportional to 9,834,690.41, 13,571,537.50 and 5,424,590.79

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Solution

The fourth proportional to 9,834,690.41, 13,571,537.50 and 5,424,590.79 is: 7,485,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834,690.41 : 13,571,537.50 = 5,424,590.79 : x
  2. Step 2: Convert to fraction form
    9,834,690.41/13,571,537.50 = 5,424,590.79/x
  3. Step 3: Cross multiply
    9,834,690.41x = 13,571,537.50 × 5,424,590.79
  4. Step 4: Simplify right side
    9,834,690.41x = 73,620,037,304,907.05
  5. Step 5: Solve for x
    x = 73,620,037,304,907.05/9,834,690.41
  6. Step 6: Final answer
    x = 7,485,750.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.