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Finding the Fourth Proportional to 48,758.28, 73,166.64 and 21,056.28

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Solution

The fourth proportional to 48,758.28, 73,166.64 and 21,056.28 is: 31,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.28 : 73,166.64 = 21,056.28 : x
  2. Step 2: Convert to fraction form
    48,758.28/73,166.64 = 21,056.28/x
  3. Step 3: Cross multiply
    48,758.28x = 73,166.64 × 21,056.28
  4. Step 4: Simplify right side
    48,758.28x = 1,540,617,258.50
  5. Step 5: Solve for x
    x = 1,540,617,258.50/48,758.28
  6. Step 6: Final answer
    x = 31,597.04

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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.