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Finding the Fourth Proportional to 76,007.71, 114,013.88 and 26,087.09

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Solution

The fourth proportional to 76,007.71, 114,013.88 and 26,087.09 is: 39,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007.71 : 114,013.88 = 26,087.09 : x
  2. Step 2: Convert to fraction form
    76,007.71/114,013.88 = 26,087.09/x
  3. Step 3: Cross multiply
    76,007.71x = 114,013.88 × 26,087.09
  4. Step 4: Simplify right side
    76,007.71x = 2,974,290,218.37
  5. Step 5: Solve for x
    x = 2,974,290,218.37/76,007.71
  6. Step 6: Final answer
    x = 39,131.43

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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.