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Finding the Fourth Proportional to 17,235.12, 25,839.68 and 8,802.88

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Solution

The fourth proportional to 17,235.12, 25,839.68 and 8,802.88 is: 13,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.12 : 25,839.68 = 8,802.88 : x
  2. Step 2: Convert to fraction form
    17,235.12/25,839.68 = 8,802.88/x
  3. Step 3: Cross multiply
    17,235.12x = 25,839.68 × 8,802.88
  4. Step 4: Simplify right side
    17,235.12x = 227,463,602.28
  5. Step 5: Solve for x
    x = 227,463,602.28/17,235.12
  6. Step 6: Final answer
    x = 13,197.68

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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.