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Finding the Fourth Proportional to 64,882.92, 97,324.56 and 18,136.20

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Solution

The fourth proportional to 64,882.92, 97,324.56 and 18,136.20 is: 27,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,882.92 : 97,324.56 = 18,136.20 : x
  2. Step 2: Convert to fraction form
    64,882.92/97,324.56 = 18,136.20/x
  3. Step 3: Cross multiply
    64,882.92x = 97,324.56 × 18,136.20
  4. Step 4: Simplify right side
    64,882.92x = 1,765,097,685.07
  5. Step 5: Solve for x
    x = 1,765,097,685.07/64,882.92
  6. Step 6: Final answer
    x = 27,204.35

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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.