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Finding the Fourth Proportional to 8,777.99, 13,167.59 and 2,933.84

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Solution

The fourth proportional to 8,777.99, 13,167.59 and 2,933.84 is: 4,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.99 : 13,167.59 = 2,933.84 : x
  2. Step 2: Convert to fraction form
    8,777.99/13,167.59 = 2,933.84/x
  3. Step 3: Cross multiply
    8,777.99x = 13,167.59 × 2,933.84
  4. Step 4: Simplify right side
    8,777.99x = 38,631,521.74
  5. Step 5: Solve for x
    x = 38,631,521.74/8,777.99
  6. Step 6: Final answer
    x = 4,400.96

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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.