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Finding the Fourth Proportional to 72,801.84, 109,203.36 and 22,880.76

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Solution

The fourth proportional to 72,801.84, 109,203.36 and 22,880.76 is: 34,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,801.84 : 109,203.36 = 22,880.76 : x
  2. Step 2: Convert to fraction form
    72,801.84/109,203.36 = 22,880.76/x
  3. Step 3: Cross multiply
    72,801.84x = 109,203.36 × 22,880.76
  4. Step 4: Simplify right side
    72,801.84x = 2,498,655,871.35
  5. Step 5: Solve for x
    x = 2,498,655,871.35/72,801.84
  6. Step 6: Final answer
    x = 34,321.33

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Double scale
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Similar ratio
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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.