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Finding the Fourth Proportional to 48,717.32, 72,945.40 and 33,894.92

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Solution

The fourth proportional to 48,717.32, 72,945.40 and 33,894.92 is: 50,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.32 : 72,945.40 = 33,894.92 : x
  2. Step 2: Convert to fraction form
    48,717.32/72,945.40 = 33,894.92/x
  3. Step 3: Cross multiply
    48,717.32x = 72,945.40 × 33,894.92
  4. Step 4: Simplify right side
    48,717.32x = 2,472,478,497.37
  5. Step 5: Solve for x
    x = 2,472,478,497.37/48,717.32
  6. Step 6: Final answer
    x = 50,751.53

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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.