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Finding the Fourth Proportional to 4,998.81, 7,499.72 and 2,368.32

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Solution

The fourth proportional to 4,998.81, 7,499.72 and 2,368.32 is: 3,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.81 : 7,499.72 = 2,368.32 : x
  2. Step 2: Convert to fraction form
    4,998.81/7,499.72 = 2,368.32/x
  3. Step 3: Cross multiply
    4,998.81x = 7,499.72 × 2,368.32
  4. Step 4: Simplify right side
    4,998.81x = 17,761,725.03
  5. Step 5: Solve for x
    x = 17,761,725.03/4,998.81
  6. Step 6: Final answer
    x = 3,553.19

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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.