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Finding the Fourth Proportional to 20,068.84, 30,093.06 and 11,751.46

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Solution

The fourth proportional to 20,068.84, 30,093.06 and 11,751.46 is: 17,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.84 : 30,093.06 = 11,751.46 : x
  2. Step 2: Convert to fraction form
    20,068.84/30,093.06 = 11,751.46/x
  3. Step 3: Cross multiply
    20,068.84x = 30,093.06 × 11,751.46
  4. Step 4: Simplify right side
    20,068.84x = 353,637,390.87
  5. Step 5: Solve for x
    x = 353,637,390.87/20,068.84
  6. Step 6: Final answer
    x = 17,621.22

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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.