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Finding the Fourth Proportional to 53,484.60, 80,226.90 and 27,240.60

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Solution

The fourth proportional to 53,484.60, 80,226.90 and 27,240.60 is: 40,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,484.60 : 80,226.90 = 27,240.60 : x
  2. Step 2: Convert to fraction form
    53,484.60/80,226.90 = 27,240.60/x
  3. Step 3: Cross multiply
    53,484.60x = 80,226.90 × 27,240.60
  4. Step 4: Simplify right side
    53,484.60x = 2,185,428,892.14
  5. Step 5: Solve for x
    x = 2,185,428,892.14/53,484.60
  6. Step 6: Final answer
    x = 40,860.90

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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.