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Finding the Fourth Proportional to 19,304.68, 28,956.72 and 6,156.97

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Solution

The fourth proportional to 19,304.68, 28,956.72 and 6,156.97 is: 9,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.68 : 28,956.72 = 6,156.97 : x
  2. Step 2: Convert to fraction form
    19,304.68/28,956.72 = 6,156.97/x
  3. Step 3: Cross multiply
    19,304.68x = 28,956.72 × 6,156.97
  4. Step 4: Simplify right side
    19,304.68x = 178,285,656.34
  5. Step 5: Solve for x
    x = 178,285,656.34/19,304.68
  6. Step 6: Final answer
    x = 9,235.36

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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.