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Finding the Fourth Proportional to 5,809.99, 8,709.51 and 4,771.16

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Solution

The fourth proportional to 5,809.99, 8,709.51 and 4,771.16 is: 7,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.99 : 8,709.51 = 4,771.16 : x
  2. Step 2: Convert to fraction form
    5,809.99/8,709.51 = 4,771.16/x
  3. Step 3: Cross multiply
    5,809.99x = 8,709.51 × 4,771.16
  4. Step 4: Simplify right side
    5,809.99x = 41,554,465.73
  5. Step 5: Solve for x
    x = 41,554,465.73/5,809.99
  6. Step 6: Final answer
    x = 7,152.24

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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.