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Finding the Fourth Proportional to 55,661.91, 83,472.09 and 22,370.70

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Solution

The fourth proportional to 55,661.91, 83,472.09 and 22,370.70 is: 33,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.91 : 83,472.09 = 22,370.70 : x
  2. Step 2: Convert to fraction form
    55,661.91/83,472.09 = 22,370.70/x
  3. Step 3: Cross multiply
    55,661.91x = 83,472.09 × 22,370.70
  4. Step 4: Simplify right side
    55,661.91x = 1,867,329,083.76
  5. Step 5: Solve for x
    x = 1,867,329,083.76/55,661.91
  6. Step 6: Final answer
    x = 33,547.70

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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.