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Finding the Fourth Proportional to 65,466.64, 98,200.08 and 18,719.52

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Solution

The fourth proportional to 65,466.64, 98,200.08 and 18,719.52 is: 28,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,466.64 : 98,200.08 = 18,719.52 : x
  2. Step 2: Convert to fraction form
    65,466.64/98,200.08 = 18,719.52/x
  3. Step 3: Cross multiply
    65,466.64x = 98,200.08 × 18,719.52
  4. Step 4: Simplify right side
    65,466.64x = 1,838,258,361.56
  5. Step 5: Solve for x
    x = 1,838,258,361.56/65,466.64
  6. Step 6: Final answer
    x = 28,079.31

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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.