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Finding the Fourth Proportional to 53,995.50, 81,006.24 and 17,059.50

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Solution

The fourth proportional to 53,995.50, 81,006.24 and 17,059.50 is: 25,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.50 : 81,006.24 = 17,059.50 : x
  2. Step 2: Convert to fraction form
    53,995.50/81,006.24 = 17,059.50/x
  3. Step 3: Cross multiply
    53,995.50x = 81,006.24 × 17,059.50
  4. Step 4: Simplify right side
    53,995.50x = 1,381,925,951.28
  5. Step 5: Solve for x
    x = 1,381,925,951.28/53,995.50
  6. Step 6: Final answer
    x = 25,593.35

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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.