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Finding the Fourth Proportional to 13,453,279.95, 18,792,076.65 and 13,453,279.95

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Solution

The fourth proportional to 13,453,279.95, 18,792,076.65 and 13,453,279.95 is: 18,792,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,279.95 : 18,792,076.65 = 13,453,279.95 : x
  2. Step 2: Convert to fraction form
    13,453,279.95/18,792,076.65 = 13,453,279.95/x
  3. Step 3: Cross multiply
    13,453,279.95x = 18,792,076.65 × 13,453,279.95
  4. Step 4: Simplify right side
    13,453,279.95x = 252,815,068,014,308.12
  5. Step 5: Solve for x
    x = 252,815,068,014,308.12/13,453,279.95
  6. Step 6: Final answer
    x = 18,792,076.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.