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Finding the Fourth Proportional to 64,343.42, 96,382.29 and 47,722.22

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Solution

The fourth proportional to 64,343.42, 96,382.29 and 47,722.22 is: 71,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343.42 : 96,382.29 = 47,722.22 : x
  2. Step 2: Convert to fraction form
    64,343.42/96,382.29 = 47,722.22/x
  3. Step 3: Cross multiply
    64,343.42x = 96,382.29 × 47,722.22
  4. Step 4: Simplify right side
    64,343.42x = 4,599,576,847.48
  5. Step 5: Solve for x
    x = 4,599,576,847.48/64,343.42
  6. Step 6: Final answer
    x = 71,484.81

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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.