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Finding the Fourth Proportional to 4,992.30, 7,482.58 and 3,755.70

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Solution

The fourth proportional to 4,992.30, 7,482.58 and 3,755.70 is: 5,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.30 : 7,482.58 = 3,755.70 : x
  2. Step 2: Convert to fraction form
    4,992.30/7,482.58 = 3,755.70/x
  3. Step 3: Cross multiply
    4,992.30x = 7,482.58 × 3,755.70
  4. Step 4: Simplify right side
    4,992.30x = 28,102,316.32
  5. Step 5: Solve for x
    x = 28,102,316.32/4,992.30
  6. Step 6: Final answer
    x = 5,629.13

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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.