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Finding the Fourth Proportional to 18,802.29, 28,203.96 and 5,654.62

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Solution

The fourth proportional to 18,802.29, 28,203.96 and 5,654.62 is: 8,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.29 : 28,203.96 = 5,654.62 : x
  2. Step 2: Convert to fraction form
    18,802.29/28,203.96 = 5,654.62/x
  3. Step 3: Cross multiply
    18,802.29x = 28,203.96 × 5,654.62
  4. Step 4: Simplify right side
    18,802.29x = 159,482,676.30
  5. Step 5: Solve for x
    x = 159,482,676.30/18,802.29
  6. Step 6: Final answer
    x = 8,482.09

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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.