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Finding the Fourth Proportional to 14,357.92, 19,809.03 and 8,976.67

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Solution

The fourth proportional to 14,357.92, 19,809.03 and 8,976.67 is: 12,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.92 : 19,809.03 = 8,976.67 : x
  2. Step 2: Convert to fraction form
    14,357.92/19,809.03 = 8,976.67/x
  3. Step 3: Cross multiply
    14,357.92x = 19,809.03 × 8,976.67
  4. Step 4: Simplify right side
    14,357.92x = 177,819,125.33
  5. Step 5: Solve for x
    x = 177,819,125.33/14,357.92
  6. Step 6: Final answer
    x = 12,384.74

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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.