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Finding the Fourth Proportional to 14,859,619.45, 22,289,429.19 and 14,859,619.45

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Solution

The fourth proportional to 14,859,619.45, 22,289,429.19 and 14,859,619.45 is: 22,289,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859,619.45 : 22,289,429.19 = 14,859,619.45 : x
  2. Step 2: Convert to fraction form
    14,859,619.45/22,289,429.19 = 14,859,619.45/x
  3. Step 3: Cross multiply
    14,859,619.45x = 22,289,429.19 × 14,859,619.45
  4. Step 4: Simplify right side
    14,859,619.45x = 331,212,435,521,121.75
  5. Step 5: Solve for x
    x = 331,212,435,521,121.75/14,859,619.45
  6. Step 6: Final answer
    x = 22,289,429.19

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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.