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Finding the Fourth Proportional to 65,951.15, 91,017.05 and 37,260.86

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Solution

The fourth proportional to 65,951.15, 91,017.05 and 37,260.86 is: 51,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951.15 : 91,017.05 = 37,260.86 : x
  2. Step 2: Convert to fraction form
    65,951.15/91,017.05 = 37,260.86/x
  3. Step 3: Cross multiply
    65,951.15x = 91,017.05 × 37,260.86
  4. Step 4: Simplify right side
    65,951.15x = 3,391,373,557.66
  5. Step 5: Solve for x
    x = 3,391,373,557.66/65,951.15
  6. Step 6: Final answer
    x = 51,422.51

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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.