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Finding the Fourth Proportional to 29,006.84, 43,510.30 and 7,947.06

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Solution

The fourth proportional to 29,006.84, 43,510.30 and 7,947.06 is: 11,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,006.84 : 43,510.30 = 7,947.06 : x
  2. Step 2: Convert to fraction form
    29,006.84/43,510.30 = 7,947.06/x
  3. Step 3: Cross multiply
    29,006.84x = 43,510.30 × 7,947.06
  4. Step 4: Simplify right side
    29,006.84x = 345,778,944.85
  5. Step 5: Solve for x
    x = 345,778,944.85/29,006.84
  6. Step 6: Final answer
    x = 11,920.60

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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.