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Finding the Fourth Proportional to 21,959.52, 30,279.06 and 17,483.46

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Solution

The fourth proportional to 21,959.52, 30,279.06 and 17,483.46 is: 24,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.52 : 30,279.06 = 17,483.46 : x
  2. Step 2: Convert to fraction form
    21,959.52/30,279.06 = 17,483.46/x
  3. Step 3: Cross multiply
    21,959.52x = 30,279.06 × 17,483.46
  4. Step 4: Simplify right side
    21,959.52x = 529,382,734.35
  5. Step 5: Solve for x
    x = 529,382,734.35/21,959.52
  6. Step 6: Final answer
    x = 24,107.21

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1.5x scale

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.