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Finding the Fourth Proportional to 17,575.20, 26,362.80 and 11,014.20

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Solution

The fourth proportional to 17,575.20, 26,362.80 and 11,014.20 is: 16,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,575.20 : 26,362.80 = 11,014.20 : x
  2. Step 2: Convert to fraction form
    17,575.20/26,362.80 = 11,014.20/x
  3. Step 3: Cross multiply
    17,575.20x = 26,362.80 × 11,014.20
  4. Step 4: Simplify right side
    17,575.20x = 290,365,151.76
  5. Step 5: Solve for x
    x = 290,365,151.76/17,575.20
  6. Step 6: Final answer
    x = 16,521.30

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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.