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Finding the Fourth Proportional to 14,652,005.30, 21,978,007.95 and 11,817,653.30

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Solution

The fourth proportional to 14,652,005.30, 21,978,007.95 and 11,817,653.30 is: 17,726,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,005.30 : 21,978,007.95 = 11,817,653.30 : x
  2. Step 2: Convert to fraction form
    14,652,005.30/21,978,007.95 = 11,817,653.30/x
  3. Step 3: Cross multiply
    14,652,005.30x = 21,978,007.95 × 11,817,653.30
  4. Step 4: Simplify right side
    14,652,005.30x = 259,728,478,177,743.75
  5. Step 5: Solve for x
    x = 259,728,478,177,743.75/14,652,005.30
  6. Step 6: Final answer
    x = 17,726,479.95

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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.