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Finding the Fourth Proportional to 72,832.88, 109,260.84 and 26,084.72

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Solution

The fourth proportional to 72,832.88, 109,260.84 and 26,084.72 is: 39,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832.88 : 109,260.84 = 26,084.72 : x
  2. Step 2: Convert to fraction form
    72,832.88/109,260.84 = 26,084.72/x
  3. Step 3: Cross multiply
    72,832.88x = 109,260.84 × 26,084.72
  4. Step 4: Simplify right side
    72,832.88x = 2,850,038,418.36
  5. Step 5: Solve for x
    x = 2,850,038,418.36/72,832.88
  6. Step 6: Final answer
    x = 39,131.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.