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Finding the Fourth Proportional to 8,353.44, 12,513.16 and 3,957.58

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Solution

The fourth proportional to 8,353.44, 12,513.16 and 3,957.58 is: 5,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.44 : 12,513.16 = 3,957.58 : x
  2. Step 2: Convert to fraction form
    8,353.44/12,513.16 = 3,957.58/x
  3. Step 3: Cross multiply
    8,353.44x = 12,513.16 × 3,957.58
  4. Step 4: Simplify right side
    8,353.44x = 49,521,831.75
  5. Step 5: Solve for x
    x = 49,521,831.75/8,353.44
  6. Step 6: Final answer
    x = 5,928.32

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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.