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Finding the Fourth Proportional to 55,466.97, 76,383.16 and 48,196

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Solution

The fourth proportional to 55,466.97, 76,383.16 and 48,196 is: 66,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,466.97 : 76,383.16 = 48,196 : x
  2. Step 2: Convert to fraction form
    55,466.97/76,383.16 = 48,196/x
  3. Step 3: Cross multiply
    55,466.97x = 76,383.16 × 48,196
  4. Step 4: Simplify right side
    55,466.97x = 3,681,362,779.36
  5. Step 5: Solve for x
    x = 3,681,362,779.36/55,466.97
  6. Step 6: Final answer
    x = 66,370.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.