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Finding the Fourth Proportional to 4,792.52, 7,188.80 and 1,329.52

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Solution

The fourth proportional to 4,792.52, 7,188.80 and 1,329.52 is: 1,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.52 : 7,188.80 = 1,329.52 : x
  2. Step 2: Convert to fraction form
    4,792.52/7,188.80 = 1,329.52/x
  3. Step 3: Cross multiply
    4,792.52x = 7,188.80 × 1,329.52
  4. Step 4: Simplify right side
    4,792.52x = 9,557,653.38
  5. Step 5: Solve for x
    x = 9,557,653.38/4,792.52
  6. Step 6: Final answer
    x = 1,994.29

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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.