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Finding the Fourth Proportional to 65,454, 98,168.44 and 18,057.30

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Solution

The fourth proportional to 65,454, 98,168.44 and 18,057.30 is: 27,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,454 : 98,168.44 = 18,057.30 : x
  2. Step 2: Convert to fraction form
    65,454/98,168.44 = 18,057.30/x
  3. Step 3: Cross multiply
    65,454x = 98,168.44 × 18,057.30
  4. Step 4: Simplify right side
    65,454x = 1,772,656,971.61
  5. Step 5: Solve for x
    x = 1,772,656,971.61/65,454
  6. Step 6: Final answer
    x = 27,082.48

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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.