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Finding the Fourth Proportional to 19,929.52, 29,874.84 and 9,548.56

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Solution

The fourth proportional to 19,929.52, 29,874.84 and 9,548.56 is: 14,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.52 : 29,874.84 = 9,548.56 : x
  2. Step 2: Convert to fraction form
    19,929.52/29,874.84 = 9,548.56/x
  3. Step 3: Cross multiply
    19,929.52x = 29,874.84 × 9,548.56
  4. Step 4: Simplify right side
    19,929.52x = 285,261,702.23
  5. Step 5: Solve for x
    x = 285,261,702.23/19,929.52
  6. Step 6: Final answer
    x = 14,313.53

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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.