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Finding the Fourth Proportional to 55,461.60, 83,204.55 and 18,015.30

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Solution

The fourth proportional to 55,461.60, 83,204.55 and 18,015.30 is: 27,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.60 : 83,204.55 = 18,015.30 : x
  2. Step 2: Convert to fraction form
    55,461.60/83,204.55 = 18,015.30/x
  3. Step 3: Cross multiply
    55,461.60x = 83,204.55 × 18,015.30
  4. Step 4: Simplify right side
    55,461.60x = 1,498,954,929.62
  5. Step 5: Solve for x
    x = 1,498,954,929.62/55,461.60
  6. Step 6: Final answer
    x = 27,026.90

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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.