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Finding the Fourth Proportional to 65,646.44, 98,557.18 and 55,848.68

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Solution

The fourth proportional to 65,646.44, 98,557.18 and 55,848.68 is: 83,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,646.44 : 98,557.18 = 55,848.68 : x
  2. Step 2: Convert to fraction form
    65,646.44/98,557.18 = 55,848.68/x
  3. Step 3: Cross multiply
    65,646.44x = 98,557.18 × 55,848.68
  4. Step 4: Simplify right side
    65,646.44x = 5,504,288,407.52
  5. Step 5: Solve for x
    x = 5,504,288,407.52/65,646.44
  6. Step 6: Final answer
    x = 83,847.48

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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.