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Finding the Fourth Proportional to 61,873.44, 85,389.24 and 35,005.72

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Solution

The fourth proportional to 61,873.44, 85,389.24 and 35,005.72 is: 48,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.44 : 85,389.24 = 35,005.72 : x
  2. Step 2: Convert to fraction form
    61,873.44/85,389.24 = 35,005.72/x
  3. Step 3: Cross multiply
    61,873.44x = 85,389.24 × 35,005.72
  4. Step 4: Simplify right side
    61,873.44x = 2,989,111,826.45
  5. Step 5: Solve for x
    x = 2,989,111,826.45/61,873.44
  6. Step 6: Final answer
    x = 48,310.10

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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.