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Finding the Fourth Proportional to 19,332.74, 28,940.73 and 17,484.73

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Solution

The fourth proportional to 19,332.74, 28,940.73 and 17,484.73 is: 26,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.74 : 28,940.73 = 17,484.73 : x
  2. Step 2: Convert to fraction form
    19,332.74/28,940.73 = 17,484.73/x
  3. Step 3: Cross multiply
    19,332.74x = 28,940.73 × 17,484.73
  4. Step 4: Simplify right side
    19,332.74x = 506,020,712.13
  5. Step 5: Solve for x
    x = 506,020,712.13/19,332.74
  6. Step 6: Final answer
    x = 26,174.29

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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.