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Finding the Fourth Proportional to 61,876.44, 85,393.38 and 35,008.72

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Solution

The fourth proportional to 61,876.44, 85,393.38 and 35,008.72 is: 48,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,876.44 : 85,393.38 = 35,008.72 : x
  2. Step 2: Convert to fraction form
    61,876.44/85,393.38 = 35,008.72/x
  3. Step 3: Cross multiply
    61,876.44x = 85,393.38 × 35,008.72
  4. Step 4: Simplify right side
    61,876.44x = 2,989,512,930.27
  5. Step 5: Solve for x
    x = 2,989,512,930.27/61,876.44
  6. Step 6: Final answer
    x = 48,314.24

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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.