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Finding the Fourth Proportional to 19,598.84, 29,398.25 and 8,505.28

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Solution

The fourth proportional to 19,598.84, 29,398.25 and 8,505.28 is: 12,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.84 : 29,398.25 = 8,505.28 : x
  2. Step 2: Convert to fraction form
    19,598.84/29,398.25 = 8,505.28/x
  3. Step 3: Cross multiply
    19,598.84x = 29,398.25 × 8,505.28
  4. Step 4: Simplify right side
    19,598.84x = 250,040,295.53
  5. Step 5: Solve for x
    x = 250,040,295.53/19,598.84
  6. Step 6: Final answer
    x = 12,757.92

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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.