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Finding the Fourth Proportional to 74,341.83, 102,676.92 and 48,961.71

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Solution

The fourth proportional to 74,341.83, 102,676.92 and 48,961.71 is: 67,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.83 : 102,676.92 = 48,961.71 : x
  2. Step 2: Convert to fraction form
    74,341.83/102,676.92 = 48,961.71/x
  3. Step 3: Cross multiply
    74,341.83x = 102,676.92 × 48,961.71
  4. Step 4: Simplify right side
    74,341.83x = 5,027,237,580.73
  5. Step 5: Solve for x
    x = 5,027,237,580.73/74,341.83
  6. Step 6: Final answer
    x = 67,623.27

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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.