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Finding the Fourth Proportional to 20,006,375.94, 27,598,641.03 and 12,651,822.90

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Solution

The fourth proportional to 20,006,375.94, 27,598,641.03 and 12,651,822.90 is: 17,453,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006,375.94 : 27,598,641.03 = 12,651,822.90 : x
  2. Step 2: Convert to fraction form
    20,006,375.94/27,598,641.03 = 12,651,822.90/x
  3. Step 3: Cross multiply
    20,006,375.94x = 27,598,641.03 × 12,651,822.90
  4. Step 4: Simplify right side
    20,006,375.94x = 349,173,118,592,233.62
  5. Step 5: Solve for x
    x = 349,173,118,592,233.62/20,006,375.94
  6. Step 6: Final answer
    x = 17,453,091.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.