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Finding the Fourth Proportional to 68,632.40, 102,948.60 and 24,258.80

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Solution

The fourth proportional to 68,632.40, 102,948.60 and 24,258.80 is: 36,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,632.40 : 102,948.60 = 24,258.80 : x
  2. Step 2: Convert to fraction form
    68,632.40/102,948.60 = 24,258.80/x
  3. Step 3: Cross multiply
    68,632.40x = 102,948.60 × 24,258.80
  4. Step 4: Simplify right side
    68,632.40x = 2,497,409,497.68
  5. Step 5: Solve for x
    x = 2,497,409,497.68/68,632.40
  6. Step 6: Final answer
    x = 36,388.20

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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.