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Finding the Fourth Proportional to 61,512.79, 84,887.84 and 35,676.35

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Solution

The fourth proportional to 61,512.79, 84,887.84 and 35,676.35 is: 49,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,512.79 : 84,887.84 = 35,676.35 : x
  2. Step 2: Convert to fraction form
    61,512.79/84,887.84 = 35,676.35/x
  3. Step 3: Cross multiply
    61,512.79x = 84,887.84 × 35,676.35
  4. Step 4: Simplify right side
    61,512.79x = 3,028,488,290.58
  5. Step 5: Solve for x
    x = 3,028,488,290.58/61,512.79
  6. Step 6: Final answer
    x = 49,233.47

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1.5x scale

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.