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Finding the Fourth Proportional to 64,798.38, 89,362.45 and 44,410.07

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Solution

The fourth proportional to 64,798.38, 89,362.45 and 44,410.07 is: 61,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,798.38 : 89,362.45 = 44,410.07 : x
  2. Step 2: Convert to fraction form
    64,798.38/89,362.45 = 44,410.07/x
  3. Step 3: Cross multiply
    64,798.38x = 89,362.45 × 44,410.07
  4. Step 4: Simplify right side
    64,798.38x = 3,968,593,001.24
  5. Step 5: Solve for x
    x = 3,968,593,001.24/64,798.38
  6. Step 6: Final answer
    x = 61,245.25

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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.