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Finding the Fourth Proportional to 64,863,598.96, 89,511,775.41 and 35,494,938.51

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Solution

The fourth proportional to 64,863,598.96, 89,511,775.41 and 35,494,938.51 is: 48,983,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,863,598.96 : 89,511,775.41 = 35,494,938.51 : x
  2. Step 2: Convert to fraction form
    64,863,598.96/89,511,775.41 = 35,494,938.51/x
  3. Step 3: Cross multiply
    64,863,598.96x = 89,511,775.41 × 35,494,938.51
  4. Step 4: Simplify right side
    64,863,598.96x = 3,177,214,964,098,879.50
  5. Step 5: Solve for x
    x = 3,177,214,964,098,879.50/64,863,598.96
  6. Step 6: Final answer
    x = 48,983,019.98

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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.