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Finding the Fourth Proportional to 17,499.62, 26,230.86 and 8,602.40

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Solution

The fourth proportional to 17,499.62, 26,230.86 and 8,602.40 is: 12,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,499.62 : 26,230.86 = 8,602.40 : x
  2. Step 2: Convert to fraction form
    17,499.62/26,230.86 = 8,602.40/x
  3. Step 3: Cross multiply
    17,499.62x = 26,230.86 × 8,602.40
  4. Step 4: Simplify right side
    17,499.62x = 225,648,415.64
  5. Step 5: Solve for x
    x = 225,648,415.64/17,499.62
  6. Step 6: Final answer
    x = 12,894.48

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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.