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Finding the Fourth Proportional to 4,828.24, 7,241.52 and 1,907.40

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Solution

The fourth proportional to 4,828.24, 7,241.52 and 1,907.40 is: 2,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.24 : 7,241.52 = 1,907.40 : x
  2. Step 2: Convert to fraction form
    4,828.24/7,241.52 = 1,907.40/x
  3. Step 3: Cross multiply
    4,828.24x = 7,241.52 × 1,907.40
  4. Step 4: Simplify right side
    4,828.24x = 13,812,475.25
  5. Step 5: Solve for x
    x = 13,812,475.25/4,828.24
  6. Step 6: Final answer
    x = 2,860.77

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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.