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Finding the Fourth Proportional to 64,946.72, 97,419.36 and 20,573.44

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Solution

The fourth proportional to 64,946.72, 97,419.36 and 20,573.44 is: 30,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,946.72 : 97,419.36 = 20,573.44 : x
  2. Step 2: Convert to fraction form
    64,946.72/97,419.36 = 20,573.44/x
  3. Step 3: Cross multiply
    64,946.72x = 97,419.36 × 20,573.44
  4. Step 4: Simplify right side
    64,946.72x = 2,004,251,357.80
  5. Step 5: Solve for x
    x = 2,004,251,357.80/64,946.72
  6. Step 6: Final answer
    x = 30,859.93

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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.