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Finding the Fourth Proportional to 48,178.44, 72,223.92 and 21,868.92

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Solution

The fourth proportional to 48,178.44, 72,223.92 and 21,868.92 is: 32,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.44 : 72,223.92 = 21,868.92 : x
  2. Step 2: Convert to fraction form
    48,178.44/72,223.92 = 21,868.92/x
  3. Step 3: Cross multiply
    48,178.44x = 72,223.92 × 21,868.92
  4. Step 4: Simplify right side
    48,178.44x = 1,579,459,128.57
  5. Step 5: Solve for x
    x = 1,579,459,128.57/48,178.44
  6. Step 6: Final answer
    x = 32,783.53

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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.