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Finding the Fourth Proportional to 10,790.94, 14,890.23 and 6,074.94

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Solution

The fourth proportional to 10,790.94, 14,890.23 and 6,074.94 is: 8,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.94 : 14,890.23 = 6,074.94 : x
  2. Step 2: Convert to fraction form
    10,790.94/14,890.23 = 6,074.94/x
  3. Step 3: Cross multiply
    10,790.94x = 14,890.23 × 6,074.94
  4. Step 4: Simplify right side
    10,790.94x = 90,457,253.84
  5. Step 5: Solve for x
    x = 90,457,253.84/10,790.94
  6. Step 6: Final answer
    x = 8,382.70

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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.