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Finding the Fourth Proportional to 16,697.70, 25,047.72 and 5,011.80

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Solution

The fourth proportional to 16,697.70, 25,047.72 and 5,011.80 is: 7,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.70 : 25,047.72 = 5,011.80 : x
  2. Step 2: Convert to fraction form
    16,697.70/25,047.72 = 5,011.80/x
  3. Step 3: Cross multiply
    16,697.70x = 25,047.72 × 5,011.80
  4. Step 4: Simplify right side
    16,697.70x = 125,534,163.10
  5. Step 5: Solve for x
    x = 125,534,163.10/16,697.70
  6. Step 6: Final answer
    x = 7,518.05

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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.