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Finding the Fourth Proportional to 64,719.92, 97,079.96 and 36,998.48

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Solution

The fourth proportional to 64,719.92, 97,079.96 and 36,998.48 is: 55,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719.92 : 97,079.96 = 36,998.48 : x
  2. Step 2: Convert to fraction form
    64,719.92/97,079.96 = 36,998.48/x
  3. Step 3: Cross multiply
    64,719.92x = 97,079.96 × 36,998.48
  4. Step 4: Simplify right side
    64,719.92x = 3,591,810,958.46
  5. Step 5: Solve for x
    x = 3,591,810,958.46/64,719.92
  6. Step 6: Final answer
    x = 55,497.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.