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Finding the Fourth Proportional to 3,818.58, 5,272.02 and 2,932.62

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Solution

The fourth proportional to 3,818.58, 5,272.02 and 2,932.62 is: 4,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.58 : 5,272.02 = 2,932.62 : x
  2. Step 2: Convert to fraction form
    3,818.58/5,272.02 = 2,932.62/x
  3. Step 3: Cross multiply
    3,818.58x = 5,272.02 × 2,932.62
  4. Step 4: Simplify right side
    3,818.58x = 15,460,831.29
  5. Step 5: Solve for x
    x = 15,460,831.29/3,818.58
  6. Step 6: Final answer
    x = 4,048.84

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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.