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Finding the Fourth Proportional to 9,776,489.70, 14,664,661.65 and 2,953,049.70

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Solution

The fourth proportional to 9,776,489.70, 14,664,661.65 and 2,953,049.70 is: 4,429,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776,489.70 : 14,664,661.65 = 2,953,049.70 : x
  2. Step 2: Convert to fraction form
    9,776,489.70/14,664,661.65 = 2,953,049.70/x
  3. Step 3: Cross multiply
    9,776,489.70x = 14,664,661.65 × 2,953,049.70
  4. Step 4: Simplify right side
    9,776,489.70x = 43,305,474,686,134.01
  5. Step 5: Solve for x
    x = 43,305,474,686,134.01/9,776,489.70
  6. Step 6: Final answer
    x = 4,429,552.53

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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.