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Finding the Fourth Proportional to 17,253.18, 25,879.77 and 10,698.30

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Solution

The fourth proportional to 17,253.18, 25,879.77 and 10,698.30 is: 16,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.18 : 25,879.77 = 10,698.30 : x
  2. Step 2: Convert to fraction form
    17,253.18/25,879.77 = 10,698.30/x
  3. Step 3: Cross multiply
    17,253.18x = 25,879.77 × 10,698.30
  4. Step 4: Simplify right side
    17,253.18x = 276,869,543.39
  5. Step 5: Solve for x
    x = 276,869,543.39/17,253.18
  6. Step 6: Final answer
    x = 16,047.45

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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.