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Finding the Fourth Proportional to 19,155.99, 26,432.41 and 10,770.87

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Solution

The fourth proportional to 19,155.99, 26,432.41 and 10,770.87 is: 14,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.99 : 26,432.41 = 10,770.87 : x
  2. Step 2: Convert to fraction form
    19,155.99/26,432.41 = 10,770.87/x
  3. Step 3: Cross multiply
    19,155.99x = 26,432.41 × 10,770.87
  4. Step 4: Simplify right side
    19,155.99x = 284,700,051.90
  5. Step 5: Solve for x
    x = 284,700,051.90/19,155.99
  6. Step 6: Final answer
    x = 14,862.19

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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.