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Finding the Fourth Proportional to 67,073.54, 100,609.95 and 17,153.56

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Solution

The fourth proportional to 67,073.54, 100,609.95 and 17,153.56 is: 25,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.54 : 100,609.95 = 17,153.56 : x
  2. Step 2: Convert to fraction form
    67,073.54/100,609.95 = 17,153.56/x
  3. Step 3: Cross multiply
    67,073.54x = 100,609.95 × 17,153.56
  4. Step 4: Simplify right side
    67,073.54x = 1,725,818,813.92
  5. Step 5: Solve for x
    x = 1,725,818,813.92/67,073.54
  6. Step 6: Final answer
    x = 25,730.25

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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.