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Finding the Fourth Proportional to 19,252.56, 28,893.96 and 9,892.20

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Solution

The fourth proportional to 19,252.56, 28,893.96 and 9,892.20 is: 14,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.56 : 28,893.96 = 9,892.20 : x
  2. Step 2: Convert to fraction form
    19,252.56/28,893.96 = 9,892.20/x
  3. Step 3: Cross multiply
    19,252.56x = 28,893.96 × 9,892.20
  4. Step 4: Simplify right side
    19,252.56x = 285,824,831.11
  5. Step 5: Solve for x
    x = 285,824,831.11/19,252.56
  6. Step 6: Final answer
    x = 14,846.07

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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.