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Finding the Fourth Proportional to 54,226.60, 81,332.40 and 16,812.40

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Solution

The fourth proportional to 54,226.60, 81,332.40 and 16,812.40 is: 25,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,226.60 : 81,332.40 = 16,812.40 : x
  2. Step 2: Convert to fraction form
    54,226.60/81,332.40 = 16,812.40/x
  3. Step 3: Cross multiply
    54,226.60x = 81,332.40 × 16,812.40
  4. Step 4: Simplify right side
    54,226.60x = 1,367,392,841.76
  5. Step 5: Solve for x
    x = 1,367,392,841.76/54,226.60
  6. Step 6: Final answer
    x = 25,216.27

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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.