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Finding the Fourth Proportional to 9,797,927.20, 14,689,892.40 and 4,402,160.80

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Solution

The fourth proportional to 9,797,927.20, 14,689,892.40 and 4,402,160.80 is: 6,600,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797,927.20 : 14,689,892.40 = 4,402,160.80 : x
  2. Step 2: Convert to fraction form
    9,797,927.20/14,689,892.40 = 4,402,160.80/x
  3. Step 3: Cross multiply
    9,797,927.20x = 14,689,892.40 × 4,402,160.80
  4. Step 4: Simplify right side
    9,797,927.20x = 64,667,268,479,497.92
  5. Step 5: Solve for x
    x = 64,667,268,479,497.92/9,797,927.20
  6. Step 6: Final answer
    x = 6,600,096.85

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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.