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Finding the Fourth Proportional to 57,950.13, 86,814.89 and 33,007.40

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Solution

The fourth proportional to 57,950.13, 86,814.89 and 33,007.40 is: 49,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.13 : 86,814.89 = 33,007.40 : x
  2. Step 2: Convert to fraction form
    57,950.13/86,814.89 = 33,007.40/x
  3. Step 3: Cross multiply
    57,950.13x = 86,814.89 × 33,007.40
  4. Step 4: Simplify right side
    57,950.13x = 2,865,533,650.41
  5. Step 5: Solve for x
    x = 2,865,533,650.41/57,950.13
  6. Step 6: Final answer
    x = 49,448.27

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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.