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Finding the Fourth Proportional to 26,668.72, 36,802.68 and 14,732

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Solution

The fourth proportional to 26,668.72, 36,802.68 and 14,732 is: 20,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.72 : 36,802.68 = 14,732 : x
  2. Step 2: Convert to fraction form
    26,668.72/36,802.68 = 14,732/x
  3. Step 3: Cross multiply
    26,668.72x = 36,802.68 × 14,732
  4. Step 4: Simplify right side
    26,668.72x = 542,177,081.76
  5. Step 5: Solve for x
    x = 542,177,081.76/26,668.72
  6. Step 6: Final answer
    x = 20,330.08

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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.