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Finding the Fourth Proportional to 17,135.78, 25,688.06 and 6,599.06

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Solution

The fourth proportional to 17,135.78, 25,688.06 and 6,599.06 is: 9,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.78 : 25,688.06 = 6,599.06 : x
  2. Step 2: Convert to fraction form
    17,135.78/25,688.06 = 6,599.06/x
  3. Step 3: Cross multiply
    17,135.78x = 25,688.06 × 6,599.06
  4. Step 4: Simplify right side
    17,135.78x = 169,517,049.22
  5. Step 5: Solve for x
    x = 169,517,049.22/17,135.78
  6. Step 6: Final answer
    x = 9,892.58

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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.