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Finding the Fourth Proportional to 9,867,505.86, 14,803,371.52 and 2,951,528.42

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Solution

The fourth proportional to 9,867,505.86, 14,803,371.52 and 2,951,528.42 is: 4,427,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867,505.86 : 14,803,371.52 = 2,951,528.42 : x
  2. Step 2: Convert to fraction form
    9,867,505.86/14,803,371.52 = 2,951,528.42/x
  3. Step 3: Cross multiply
    9,867,505.86x = 14,803,371.52 × 2,951,528.42
  4. Step 4: Simplify right side
    9,867,505.86x = 43,692,571,664,324.10
  5. Step 5: Solve for x
    x = 43,692,571,664,324.10/9,867,505.86
  6. Step 6: Final answer
    x = 4,427,924.57

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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.