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Finding the Fourth Proportional to 20,333.68, 30,505.02 and 6,482.68

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Solution

The fourth proportional to 20,333.68, 30,505.02 and 6,482.68 is: 9,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.68 : 30,505.02 = 6,482.68 : x
  2. Step 2: Convert to fraction form
    20,333.68/30,505.02 = 6,482.68/x
  3. Step 3: Cross multiply
    20,333.68x = 30,505.02 × 6,482.68
  4. Step 4: Simplify right side
    20,333.68x = 197,754,283.05
  5. Step 5: Solve for x
    x = 197,754,283.05/20,333.68
  6. Step 6: Final answer
    x = 9,725.45

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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.