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Finding the Fourth Proportional to 33,690.60, 46,502.28 and 19,548

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Solution

The fourth proportional to 33,690.60, 46,502.28 and 19,548 is: 26,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,690.60 : 46,502.28 = 19,548 : x
  2. Step 2: Convert to fraction form
    33,690.60/46,502.28 = 19,548/x
  3. Step 3: Cross multiply
    33,690.60x = 46,502.28 × 19,548
  4. Step 4: Simplify right side
    33,690.60x = 909,026,569.44
  5. Step 5: Solve for x
    x = 909,026,569.44/33,690.60
  6. Step 6: Final answer
    x = 26,981.61

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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.