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Finding the Fourth Proportional to 64,879.40, 97,322.30 and 33,775.40

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Solution

The fourth proportional to 64,879.40, 97,322.30 and 33,775.40 is: 50,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.40 : 97,322.30 = 33,775.40 : x
  2. Step 2: Convert to fraction form
    64,879.40/97,322.30 = 33,775.40/x
  3. Step 3: Cross multiply
    64,879.40x = 97,322.30 × 33,775.40
  4. Step 4: Simplify right side
    64,879.40x = 3,287,099,611.42
  5. Step 5: Solve for x
    x = 3,287,099,611.42/64,879.40
  6. Step 6: Final answer
    x = 50,664.77

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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.