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Finding the Fourth Proportional to 64,983.75, 97,460.64 and 20,602.23

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Solution

The fourth proportional to 64,983.75, 97,460.64 and 20,602.23 is: 30,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,983.75 : 97,460.64 = 20,602.23 : x
  2. Step 2: Convert to fraction form
    64,983.75/97,460.64 = 20,602.23/x
  3. Step 3: Cross multiply
    64,983.75x = 97,460.64 × 20,602.23
  4. Step 4: Simplify right side
    64,983.75x = 2,007,906,521.23
  5. Step 5: Solve for x
    x = 2,007,906,521.23/64,983.75
  6. Step 6: Final answer
    x = 30,898.59

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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.