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Finding the Fourth Proportional to 54,612.60, 82,005.30 and 39,924.60

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Solution

The fourth proportional to 54,612.60, 82,005.30 and 39,924.60 is: 59,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.60 : 82,005.30 = 39,924.60 : x
  2. Step 2: Convert to fraction form
    54,612.60/82,005.30 = 39,924.60/x
  3. Step 3: Cross multiply
    54,612.60x = 82,005.30 × 39,924.60
  4. Step 4: Simplify right side
    54,612.60x = 3,274,028,800.38
  5. Step 5: Solve for x
    x = 3,274,028,800.38/54,612.60
  6. Step 6: Final answer
    x = 59,950.06

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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.