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Finding the Fourth Proportional to 64,844, 89,484.84 and 35,036

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Solution

The fourth proportional to 64,844, 89,484.84 and 35,036 is: 48,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,844 : 89,484.84 = 35,036 : x
  2. Step 2: Convert to fraction form
    64,844/89,484.84 = 35,036/x
  3. Step 3: Cross multiply
    64,844x = 89,484.84 × 35,036
  4. Step 4: Simplify right side
    64,844x = 3,135,190,854.24
  5. Step 5: Solve for x
    x = 3,135,190,854.24/64,844
  6. Step 6: Final answer
    x = 48,349.74

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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.