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Finding the Fourth Proportional to 8,597.99, 12,911.31 and 5,804.84

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Solution

The fourth proportional to 8,597.99, 12,911.31 and 5,804.84 is: 8,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.99 : 12,911.31 = 5,804.84 : x
  2. Step 2: Convert to fraction form
    8,597.99/12,911.31 = 5,804.84/x
  3. Step 3: Cross multiply
    8,597.99x = 12,911.31 × 5,804.84
  4. Step 4: Simplify right side
    8,597.99x = 74,948,002.42
  5. Step 5: Solve for x
    x = 74,948,002.42/8,597.99
  6. Step 6: Final answer
    x = 8,716.92

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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.