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Finding the Fourth Proportional to 50,486.60, 75,661.32 and 26,788.16

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Solution

The fourth proportional to 50,486.60, 75,661.32 and 26,788.16 is: 40,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.60 : 75,661.32 = 26,788.16 : x
  2. Step 2: Convert to fraction form
    50,486.60/75,661.32 = 26,788.16/x
  3. Step 3: Cross multiply
    50,486.60x = 75,661.32 × 26,788.16
  4. Step 4: Simplify right side
    50,486.60x = 2,026,827,545.97
  5. Step 5: Solve for x
    x = 2,026,827,545.97/50,486.60
  6. Step 6: Final answer
    x = 40,145.85

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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.