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Finding the Fourth Proportional to 16,803.81, 25,191.95 and 6,950.16

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Solution

The fourth proportional to 16,803.81, 25,191.95 and 6,950.16 is: 10,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.81 : 25,191.95 = 6,950.16 : x
  2. Step 2: Convert to fraction form
    16,803.81/25,191.95 = 6,950.16/x
  3. Step 3: Cross multiply
    16,803.81x = 25,191.95 × 6,950.16
  4. Step 4: Simplify right side
    16,803.81x = 175,088,048.46
  5. Step 5: Solve for x
    x = 175,088,048.46/16,803.81
  6. Step 6: Final answer
    x = 10,419.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.