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Finding the Fourth Proportional to 17,221.08, 25,851.12 and 6,840.12

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Solution

The fourth proportional to 17,221.08, 25,851.12 and 6,840.12 is: 10,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.08 : 25,851.12 = 6,840.12 : x
  2. Step 2: Convert to fraction form
    17,221.08/25,851.12 = 6,840.12/x
  3. Step 3: Cross multiply
    17,221.08x = 25,851.12 × 6,840.12
  4. Step 4: Simplify right side
    17,221.08x = 176,824,762.93
  5. Step 5: Solve for x
    x = 176,824,762.93/17,221.08
  6. Step 6: Final answer
    x = 10,267.93

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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.