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Finding the Fourth Proportional to 17,697.65, 24,421.87 and 9,739.67

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Solution

The fourth proportional to 17,697.65, 24,421.87 and 9,739.67 is: 13,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.65 : 24,421.87 = 9,739.67 : x
  2. Step 2: Convert to fraction form
    17,697.65/24,421.87 = 9,739.67/x
  3. Step 3: Cross multiply
    17,697.65x = 24,421.87 × 9,739.67
  4. Step 4: Simplify right side
    17,697.65x = 237,860,954.58
  5. Step 5: Solve for x
    x = 237,860,954.58/17,697.65
  6. Step 6: Final answer
    x = 13,440.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.