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Finding the Fourth Proportional to 3,956,374.71, 5,934,496.62 and 1,260,663.30

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Solution

The fourth proportional to 3,956,374.71, 5,934,496.62 and 1,260,663.30 is: 1,890,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,374.71 : 5,934,496.62 = 1,260,663.30 : x
  2. Step 2: Convert to fraction form
    3,956,374.71/5,934,496.62 = 1,260,663.30/x
  3. Step 3: Cross multiply
    3,956,374.71x = 5,934,496.62 × 1,260,663.30
  4. Step 4: Simplify right side
    3,956,374.71x = 7,481,402,092,808.05
  5. Step 5: Solve for x
    x = 7,481,402,092,808.05/3,956,374.71
  6. Step 6: Final answer
    x = 1,890,974.10

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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.