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Finding the Fourth Proportional to 17,718.95, 26,580.48 and 5,873.77

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Solution

The fourth proportional to 17,718.95, 26,580.48 and 5,873.77 is: 8,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.95 : 26,580.48 = 5,873.77 : x
  2. Step 2: Convert to fraction form
    17,718.95/26,580.48 = 5,873.77/x
  3. Step 3: Cross multiply
    17,718.95x = 26,580.48 × 5,873.77
  4. Step 4: Simplify right side
    17,718.95x = 156,127,504.21
  5. Step 5: Solve for x
    x = 156,127,504.21/17,718.95
  6. Step 6: Final answer
    x = 8,811.33

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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.