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Finding the Fourth Proportional to 61,228.88, 91,828.08 and 16,853.44

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Solution

The fourth proportional to 61,228.88, 91,828.08 and 16,853.44 is: 25,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.88 : 91,828.08 = 16,853.44 : x
  2. Step 2: Convert to fraction form
    61,228.88/91,828.08 = 16,853.44/x
  3. Step 3: Cross multiply
    61,228.88x = 91,828.08 × 16,853.44
  4. Step 4: Simplify right side
    61,228.88x = 1,547,619,036.60
  5. Step 5: Solve for x
    x = 1,547,619,036.60/61,228.88
  6. Step 6: Final answer
    x = 25,275.97

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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.