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Finding the Fourth Proportional to 10,571.99, 14,588.72 and 5,790.98

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Solution

The fourth proportional to 10,571.99, 14,588.72 and 5,790.98 is: 7,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.99 : 14,588.72 = 5,790.98 : x
  2. Step 2: Convert to fraction form
    10,571.99/14,588.72 = 5,790.98/x
  3. Step 3: Cross multiply
    10,571.99x = 14,588.72 × 5,790.98
  4. Step 4: Simplify right side
    10,571.99x = 84,482,896.11
  5. Step 5: Solve for x
    x = 84,482,896.11/10,571.99
  6. Step 6: Final answer
    x = 7,991.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.