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Finding the Fourth Proportional to 26,929, 37,162.02 and 15,153

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Solution

The fourth proportional to 26,929, 37,162.02 and 15,153 is: 20,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929 : 37,162.02 = 15,153 : x
  2. Step 2: Convert to fraction form
    26,929/37,162.02 = 15,153/x
  3. Step 3: Cross multiply
    26,929x = 37,162.02 × 15,153
  4. Step 4: Simplify right side
    26,929x = 563,116,089.06
  5. Step 5: Solve for x
    x = 563,116,089.06/26,929
  6. Step 6: Final answer
    x = 20,911.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.