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Finding the Fourth Proportional to 5,021.65, 7,502.77 and 4,849.39

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Solution

The fourth proportional to 5,021.65, 7,502.77 and 4,849.39 is: 7,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.65 : 7,502.77 = 4,849.39 : x
  2. Step 2: Convert to fraction form
    5,021.65/7,502.77 = 4,849.39/x
  3. Step 3: Cross multiply
    5,021.65x = 7,502.77 × 4,849.39
  4. Step 4: Simplify right side
    5,021.65x = 36,383,857.81
  5. Step 5: Solve for x
    x = 36,383,857.81/5,021.65
  6. Step 6: Final answer
    x = 7,245.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.