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Finding the Fourth Proportional to 64,742.32, 97,123.04 and 33,170.24

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Solution

The fourth proportional to 64,742.32, 97,123.04 and 33,170.24 is: 49,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742.32 : 97,123.04 = 33,170.24 : x
  2. Step 2: Convert to fraction form
    64,742.32/97,123.04 = 33,170.24/x
  3. Step 3: Cross multiply
    64,742.32x = 97,123.04 × 33,170.24
  4. Step 4: Simplify right side
    64,742.32x = 3,221,594,546.33
  5. Step 5: Solve for x
    x = 3,221,594,546.33/64,742.32
  6. Step 6: Final answer
    x = 49,760.26

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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.