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Finding the Fourth Proportional to 19,592.15, 29,392.29 and 8,913.42

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Solution

The fourth proportional to 19,592.15, 29,392.29 and 8,913.42 is: 13,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.15 : 29,392.29 = 8,913.42 : x
  2. Step 2: Convert to fraction form
    19,592.15/29,392.29 = 8,913.42/x
  3. Step 3: Cross multiply
    19,592.15x = 29,392.29 × 8,913.42
  4. Step 4: Simplify right side
    19,592.15x = 261,985,825.53
  5. Step 5: Solve for x
    x = 261,985,825.53/19,592.15
  6. Step 6: Final answer
    x = 13,371.98

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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.