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Finding the Fourth Proportional to 61,676.67, 85,117.65 and 34,809.39

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Solution

The fourth proportional to 61,676.67, 85,117.65 and 34,809.39 is: 48,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.67 : 85,117.65 = 34,809.39 : x
  2. Step 2: Convert to fraction form
    61,676.67/85,117.65 = 34,809.39/x
  3. Step 3: Cross multiply
    61,676.67x = 85,117.65 × 34,809.39
  4. Step 4: Simplify right side
    61,676.67x = 2,962,893,474.73
  5. Step 5: Solve for x
    x = 2,962,893,474.73/61,676.67
  6. Step 6: Final answer
    x = 48,039.13

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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.