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Finding the Fourth Proportional to 17,225.99, 25,835.94 and 4,742.99

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Solution

The fourth proportional to 17,225.99, 25,835.94 and 4,742.99 is: 7,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.99 : 25,835.94 = 4,742.99 : x
  2. Step 2: Convert to fraction form
    17,225.99/25,835.94 = 4,742.99/x
  3. Step 3: Cross multiply
    17,225.99x = 25,835.94 × 4,742.99
  4. Step 4: Simplify right side
    17,225.99x = 122,539,475.88
  5. Step 5: Solve for x
    x = 122,539,475.88/17,225.99
  6. Step 6: Final answer
    x = 7,113.64

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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.