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Finding the Fourth Proportional to 16,354.62, 22,570.07 and 9,281.70

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Solution

The fourth proportional to 16,354.62, 22,570.07 and 9,281.70 is: 12,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,354.62 : 22,570.07 = 9,281.70 : x
  2. Step 2: Convert to fraction form
    16,354.62/22,570.07 = 9,281.70/x
  3. Step 3: Cross multiply
    16,354.62x = 22,570.07 × 9,281.70
  4. Step 4: Simplify right side
    16,354.62x = 209,488,618.72
  5. Step 5: Solve for x
    x = 209,488,618.72/16,354.62
  6. Step 6: Final answer
    x = 12,809.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.