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Finding the Fourth Proportional to 17,950.51, 26,925.49 and 5,638.51

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Solution

The fourth proportional to 17,950.51, 26,925.49 and 5,638.51 is: 8,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.51 : 26,925.49 = 5,638.51 : x
  2. Step 2: Convert to fraction form
    17,950.51/26,925.49 = 5,638.51/x
  3. Step 3: Cross multiply
    17,950.51x = 26,925.49 × 5,638.51
  4. Step 4: Simplify right side
    17,950.51x = 151,819,644.62
  5. Step 5: Solve for x
    x = 151,819,644.62/17,950.51
  6. Step 6: Final answer
    x = 8,457.68

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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.