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Finding the Fourth Proportional to 57,459.96, 79,270.38 and 35,091

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Solution

The fourth proportional to 57,459.96, 79,270.38 and 35,091 is: 48,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459.96 : 79,270.38 = 35,091 : x
  2. Step 2: Convert to fraction form
    57,459.96/79,270.38 = 35,091/x
  3. Step 3: Cross multiply
    57,459.96x = 79,270.38 × 35,091
  4. Step 4: Simplify right side
    57,459.96x = 2,781,676,904.58
  5. Step 5: Solve for x
    x = 2,781,676,904.58/57,459.96
  6. Step 6: Final answer
    x = 48,410.70

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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.