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Finding the Fourth Proportional to 54,673.40, 81,815.70 and 50,007.80

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Solution

The fourth proportional to 54,673.40, 81,815.70 and 50,007.80 is: 74,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.40 : 81,815.70 = 50,007.80 : x
  2. Step 2: Convert to fraction form
    54,673.40/81,815.70 = 50,007.80/x
  3. Step 3: Cross multiply
    54,673.40x = 81,815.70 × 50,007.80
  4. Step 4: Simplify right side
    54,673.40x = 4,091,423,162.46
  5. Step 5: Solve for x
    x = 4,091,423,162.46/54,673.40
  6. Step 6: Final answer
    x = 74,833.89

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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.