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Finding the Fourth Proportional to 40,612.34, 60,932.34 and 21,894.19

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Solution

The fourth proportional to 40,612.34, 60,932.34 and 21,894.19 is: 32,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,612.34 : 60,932.34 = 21,894.19 : x
  2. Step 2: Convert to fraction form
    40,612.34/60,932.34 = 21,894.19/x
  3. Step 3: Cross multiply
    40,612.34x = 60,932.34 × 21,894.19
  4. Step 4: Simplify right side
    40,612.34x = 1,334,063,924.44
  5. Step 5: Solve for x
    x = 1,334,063,924.44/40,612.34
  6. Step 6: Final answer
    x = 32,848.73

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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.