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Finding the Fourth Proportional to 7,482.53, 11,223.74 and 1,935.39

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Solution

The fourth proportional to 7,482.53, 11,223.74 and 1,935.39 is: 2,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.53 : 11,223.74 = 1,935.39 : x
  2. Step 2: Convert to fraction form
    7,482.53/11,223.74 = 1,935.39/x
  3. Step 3: Cross multiply
    7,482.53x = 11,223.74 × 1,935.39
  4. Step 4: Simplify right side
    7,482.53x = 21,722,304.48
  5. Step 5: Solve for x
    x = 21,722,304.48/7,482.53
  6. Step 6: Final answer
    x = 2,903.07

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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.