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Finding the Fourth Proportional to 45,892.19, 68,809.59 and 19,230.97

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Solution

The fourth proportional to 45,892.19, 68,809.59 and 19,230.97 is: 28,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,892.19 : 68,809.59 = 19,230.97 : x
  2. Step 2: Convert to fraction form
    45,892.19/68,809.59 = 19,230.97/x
  3. Step 3: Cross multiply
    45,892.19x = 68,809.59 × 19,230.97
  4. Step 4: Simplify right side
    45,892.19x = 1,323,274,988.98
  5. Step 5: Solve for x
    x = 1,323,274,988.98/45,892.19
  6. Step 6: Final answer
    x = 28,834.43

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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.