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Finding the Fourth Proportional to 38,533.82, 57,800.72 and 10,831.82

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Solution

The fourth proportional to 38,533.82, 57,800.72 and 10,831.82 is: 16,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.82 : 57,800.72 = 10,831.82 : x
  2. Step 2: Convert to fraction form
    38,533.82/57,800.72 = 10,831.82/x
  3. Step 3: Cross multiply
    38,533.82x = 57,800.72 × 10,831.82
  4. Step 4: Simplify right side
    38,533.82x = 626,086,705.91
  5. Step 5: Solve for x
    x = 626,086,705.91/38,533.82
  6. Step 6: Final answer
    x = 16,247.72

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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.