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Finding the Fourth Proportional to 56,951.91, 78,587.82 and 33,083.64

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Solution

The fourth proportional to 56,951.91, 78,587.82 and 33,083.64 is: 45,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.91 : 78,587.82 = 33,083.64 : x
  2. Step 2: Convert to fraction form
    56,951.91/78,587.82 = 33,083.64/x
  3. Step 3: Cross multiply
    56,951.91x = 78,587.82 × 33,083.64
  4. Step 4: Simplify right side
    56,951.91x = 2,599,971,145.26
  5. Step 5: Solve for x
    x = 2,599,971,145.26/56,951.91
  6. Step 6: Final answer
    x = 45,652.04

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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.