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Finding the Fourth Proportional to 16,803.32, 25,187.54 and 8,364.23

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Solution

The fourth proportional to 16,803.32, 25,187.54 and 8,364.23 is: 12,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.32 : 25,187.54 = 8,364.23 : x
  2. Step 2: Convert to fraction form
    16,803.32/25,187.54 = 8,364.23/x
  3. Step 3: Cross multiply
    16,803.32x = 25,187.54 × 8,364.23
  4. Step 4: Simplify right side
    16,803.32x = 210,674,377.69
  5. Step 5: Solve for x
    x = 210,674,377.69/16,803.32
  6. Step 6: Final answer
    x = 12,537.66

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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.