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Finding the Fourth Proportional to 70,545.56, 105,852.94 and 33,108.68

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Solution

The fourth proportional to 70,545.56, 105,852.94 and 33,108.68 is: 49,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545.56 : 105,852.94 = 33,108.68 : x
  2. Step 2: Convert to fraction form
    70,545.56/105,852.94 = 33,108.68/x
  3. Step 3: Cross multiply
    70,545.56x = 105,852.94 × 33,108.68
  4. Step 4: Simplify right side
    70,545.56x = 3,504,651,026.59
  5. Step 5: Solve for x
    x = 3,504,651,026.59/70,545.56
  6. Step 6: Final answer
    x = 49,679.26

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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.