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Finding the Fourth Proportional to 19,332.73, 28,940.73 and 17,484.72

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Solution

The fourth proportional to 19,332.73, 28,940.73 and 17,484.72 is: 26,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.73 : 28,940.73 = 17,484.72 : x
  2. Step 2: Convert to fraction form
    19,332.73/28,940.73 = 17,484.72/x
  3. Step 3: Cross multiply
    19,332.73x = 28,940.73 × 17,484.72
  4. Step 4: Simplify right side
    19,332.73x = 506,020,386.55
  5. Step 5: Solve for x
    x = 506,020,386.55/19,332.73
  6. Step 6: Final answer
    x = 26,174.28

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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.