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Finding the Fourth Proportional to 12,558.47, 18,831.02 and 6,232.37

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Solution

The fourth proportional to 12,558.47, 18,831.02 and 6,232.37 is: 9,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.47 : 18,831.02 = 6,232.37 : x
  2. Step 2: Convert to fraction form
    12,558.47/18,831.02 = 6,232.37/x
  3. Step 3: Cross multiply
    12,558.47x = 18,831.02 × 6,232.37
  4. Step 4: Simplify right side
    12,558.47x = 117,361,758.80
  5. Step 5: Solve for x
    x = 117,361,758.80/12,558.47
  6. Step 6: Final answer
    x = 9,345.23

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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.