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Finding the Fourth Proportional to 16,870.64, 25,301.54 and 5,021.22

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Solution

The fourth proportional to 16,870.64, 25,301.54 and 5,021.22 is: 7,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.64 : 25,301.54 = 5,021.22 : x
  2. Step 2: Convert to fraction form
    16,870.64/25,301.54 = 5,021.22/x
  3. Step 3: Cross multiply
    16,870.64x = 25,301.54 × 5,021.22
  4. Step 4: Simplify right side
    16,870.64x = 127,044,598.68
  5. Step 5: Solve for x
    x = 127,044,598.68/16,870.64
  6. Step 6: Final answer
    x = 7,530.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.