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Finding the Fourth Proportional to 25,595.80, 35,319.78 and 18,885.16

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Solution

The fourth proportional to 25,595.80, 35,319.78 and 18,885.16 is: 26,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,595.80 : 35,319.78 = 18,885.16 : x
  2. Step 2: Convert to fraction form
    25,595.80/35,319.78 = 18,885.16/x
  3. Step 3: Cross multiply
    25,595.80x = 35,319.78 × 18,885.16
  4. Step 4: Simplify right side
    25,595.80x = 667,019,696.46
  5. Step 5: Solve for x
    x = 667,019,696.46/25,595.80
  6. Step 6: Final answer
    x = 26,059.73

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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.