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Finding the Fourth Proportional to 17,585.40, 26,355.54 and 7,184.76

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Solution

The fourth proportional to 17,585.40, 26,355.54 and 7,184.76 is: 10,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.40 : 26,355.54 = 7,184.76 : x
  2. Step 2: Convert to fraction form
    17,585.40/26,355.54 = 7,184.76/x
  3. Step 3: Cross multiply
    17,585.40x = 26,355.54 × 7,184.76
  4. Step 4: Simplify right side
    17,585.40x = 189,358,229.57
  5. Step 5: Solve for x
    x = 189,358,229.57/17,585.40
  6. Step 6: Final answer
    x = 10,767.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.