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Finding the Fourth Proportional to 70,090.68, 96,727.86 and 41,795.76

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Solution

The fourth proportional to 70,090.68, 96,727.86 and 41,795.76 is: 57,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,090.68 : 96,727.86 = 41,795.76 : x
  2. Step 2: Convert to fraction form
    70,090.68/96,727.86 = 41,795.76/x
  3. Step 3: Cross multiply
    70,090.68x = 96,727.86 × 41,795.76
  4. Step 4: Simplify right side
    70,090.68x = 4,042,814,421.87
  5. Step 5: Solve for x
    x = 4,042,814,421.87/70,090.68
  6. Step 6: Final answer
    x = 57,679.77

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1.5x scale

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.