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Finding the Fourth Proportional to 32,831.20, 49,246.80 and 12,062.80

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Solution

The fourth proportional to 32,831.20, 49,246.80 and 12,062.80 is: 18,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831.20 : 49,246.80 = 12,062.80 : x
  2. Step 2: Convert to fraction form
    32,831.20/49,246.80 = 12,062.80/x
  3. Step 3: Cross multiply
    32,831.20x = 49,246.80 × 12,062.80
  4. Step 4: Simplify right side
    32,831.20x = 594,054,299.04
  5. Step 5: Solve for x
    x = 594,054,299.04/32,831.20
  6. Step 6: Final answer
    x = 18,094.20

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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.