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Finding the Fourth Proportional to 61,554.64, 84,926.52 and 37,656.40

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Solution

The fourth proportional to 61,554.64, 84,926.52 and 37,656.40 is: 51,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,554.64 : 84,926.52 = 37,656.40 : x
  2. Step 2: Convert to fraction form
    61,554.64/84,926.52 = 37,656.40/x
  3. Step 3: Cross multiply
    61,554.64x = 84,926.52 × 37,656.40
  4. Step 4: Simplify right side
    61,554.64x = 3,198,027,007.73
  5. Step 5: Solve for x
    x = 3,198,027,007.73/61,554.64
  6. Step 6: Final answer
    x = 51,954.28

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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.