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Finding the Fourth Proportional to 16,752.81, 25,105.98 and 7,378.77

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Solution

The fourth proportional to 16,752.81, 25,105.98 and 7,378.77 is: 11,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.81 : 25,105.98 = 7,378.77 : x
  2. Step 2: Convert to fraction form
    16,752.81/25,105.98 = 7,378.77/x
  3. Step 3: Cross multiply
    16,752.81x = 25,105.98 × 7,378.77
  4. Step 4: Simplify right side
    16,752.81x = 185,251,252.04
  5. Step 5: Solve for x
    x = 185,251,252.04/16,752.81
  6. Step 6: Final answer
    x = 11,057.92

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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.