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Finding the Fourth Proportional to 3,950,437.53, 5,928,147.24 and 1,553,970.72

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Solution

The fourth proportional to 3,950,437.53, 5,928,147.24 and 1,553,970.72 is: 2,331,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,437.53 : 5,928,147.24 = 1,553,970.72 : x
  2. Step 2: Convert to fraction form
    3,950,437.53/5,928,147.24 = 1,553,970.72/x
  3. Step 3: Cross multiply
    3,950,437.53x = 5,928,147.24 × 1,553,970.72
  4. Step 4: Simplify right side
    3,950,437.53x = 9,212,167,234,808.81
  5. Step 5: Solve for x
    x = 9,212,167,234,808.81/3,950,437.53
  6. Step 6: Final answer
    x = 2,331,935.93

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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.