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Finding the Fourth Proportional to 18,895.56, 26,075.16 and 10,512.60

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Solution

The fourth proportional to 18,895.56, 26,075.16 and 10,512.60 is: 14,506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.56 : 26,075.16 = 10,512.60 : x
  2. Step 2: Convert to fraction form
    18,895.56/26,075.16 = 10,512.60/x
  3. Step 3: Cross multiply
    18,895.56x = 26,075.16 × 10,512.60
  4. Step 4: Simplify right side
    18,895.56x = 274,117,727.02
  5. Step 5: Solve for x
    x = 274,117,727.02/18,895.56
  6. Step 6: Final answer
    x = 14,506.99

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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.