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Finding the Fourth Proportional to 54,654.60, 82,007.82 and 19,597.80

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Solution

The fourth proportional to 54,654.60, 82,007.82 and 19,597.80 is: 29,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.60 : 82,007.82 = 19,597.80 : x
  2. Step 2: Convert to fraction form
    54,654.60/82,007.82 = 19,597.80/x
  3. Step 3: Cross multiply
    54,654.60x = 82,007.82 × 19,597.80
  4. Step 4: Simplify right side
    54,654.60x = 1,607,172,854.80
  5. Step 5: Solve for x
    x = 1,607,172,854.80/54,654.60
  6. Step 6: Final answer
    x = 29,405.99

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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.