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Finding the Fourth Proportional to 53,965.30, 80,947.95 and 17,029.30

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Solution

The fourth proportional to 53,965.30, 80,947.95 and 17,029.30 is: 25,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,965.30 : 80,947.95 = 17,029.30 : x
  2. Step 2: Convert to fraction form
    53,965.30/80,947.95 = 17,029.30/x
  3. Step 3: Cross multiply
    53,965.30x = 80,947.95 × 17,029.30
  4. Step 4: Simplify right side
    53,965.30x = 1,378,486,924.94
  5. Step 5: Solve for x
    x = 1,378,486,924.94/53,965.30
  6. Step 6: Final answer
    x = 25,543.95

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1.5x scale

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.