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Finding the Fourth Proportional to 48,852.75, 73,279.49 and 11,916.75

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Solution

The fourth proportional to 48,852.75, 73,279.49 and 11,916.75 is: 17,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,852.75 : 73,279.49 = 11,916.75 : x
  2. Step 2: Convert to fraction form
    48,852.75/73,279.49 = 11,916.75/x
  3. Step 3: Cross multiply
    48,852.75x = 73,279.49 × 11,916.75
  4. Step 4: Simplify right side
    48,852.75x = 873,253,362.46
  5. Step 5: Solve for x
    x = 873,253,362.46/48,852.75
  6. Step 6: Final answer
    x = 17,875.21

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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.