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Finding the Fourth Proportional to 53,612.32, 73,974.30 and 32,391.64

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Solution

The fourth proportional to 53,612.32, 73,974.30 and 32,391.64 is: 44,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.32 : 73,974.30 = 32,391.64 : x
  2. Step 2: Convert to fraction form
    53,612.32/73,974.30 = 32,391.64/x
  3. Step 3: Cross multiply
    53,612.32x = 73,974.30 × 32,391.64
  4. Step 4: Simplify right side
    53,612.32x = 2,396,148,894.85
  5. Step 5: Solve for x
    x = 2,396,148,894.85/53,612.32
  6. Step 6: Final answer
    x = 44,694.00

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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.