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Finding the Fourth Proportional to 16,378.99, 22,606.01 and 10,718.76

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Solution

The fourth proportional to 16,378.99, 22,606.01 and 10,718.76 is: 14,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.99 : 22,606.01 = 10,718.76 : x
  2. Step 2: Convert to fraction form
    16,378.99/22,606.01 = 10,718.76/x
  3. Step 3: Cross multiply
    16,378.99x = 22,606.01 × 10,718.76
  4. Step 4: Simplify right side
    16,378.99x = 242,308,467.12
  5. Step 5: Solve for x
    x = 242,308,467.12/16,378.99
  6. Step 6: Final answer
    x = 14,793.86

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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.