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Finding the Fourth Proportional to 44,819.76, 67,223.12 and 13,228.28

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Solution

The fourth proportional to 44,819.76, 67,223.12 and 13,228.28 is: 19,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,819.76 : 67,223.12 = 13,228.28 : x
  2. Step 2: Convert to fraction form
    44,819.76/67,223.12 = 13,228.28/x
  3. Step 3: Cross multiply
    44,819.76x = 67,223.12 × 13,228.28
  4. Step 4: Simplify right side
    44,819.76x = 889,246,253.83
  5. Step 5: Solve for x
    x = 889,246,253.83/44,819.76
  6. Step 6: Final answer
    x = 19,840.50

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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.