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Finding the Fourth Proportional to 40,596.75, 60,904.89 and 12,894.75

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Solution

The fourth proportional to 40,596.75, 60,904.89 and 12,894.75 is: 19,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,596.75 : 60,904.89 = 12,894.75 : x
  2. Step 2: Convert to fraction form
    40,596.75/60,904.89 = 12,894.75/x
  3. Step 3: Cross multiply
    40,596.75x = 60,904.89 × 12,894.75
  4. Step 4: Simplify right side
    40,596.75x = 785,353,330.33
  5. Step 5: Solve for x
    x = 785,353,330.33/40,596.75
  6. Step 6: Final answer
    x = 19,345.23

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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.