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Finding the Fourth Proportional to 10,809.94, 14,917.73 and 6,030.19

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Solution

The fourth proportional to 10,809.94, 14,917.73 and 6,030.19 is: 8,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.94 : 14,917.73 = 6,030.19 : x
  2. Step 2: Convert to fraction form
    10,809.94/14,917.73 = 6,030.19/x
  3. Step 3: Cross multiply
    10,809.94x = 14,917.73 × 6,030.19
  4. Step 4: Simplify right side
    10,809.94x = 89,956,709.77
  5. Step 5: Solve for x
    x = 89,956,709.77/10,809.94
  6. Step 6: Final answer
    x = 8,321.67

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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.