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Finding the Fourth Proportional to 61,038, 84,225.33 and 35,549.96

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Solution

The fourth proportional to 61,038, 84,225.33 and 35,549.96 is: 49,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038 : 84,225.33 = 35,549.96 : x
  2. Step 2: Convert to fraction form
    61,038/84,225.33 = 35,549.96/x
  3. Step 3: Cross multiply
    61,038x = 84,225.33 × 35,549.96
  4. Step 4: Simplify right side
    61,038x = 2,994,206,691.36
  5. Step 5: Solve for x
    x = 2,994,206,691.36/61,038
  6. Step 6: Final answer
    x = 49,054.80

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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.