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Finding the Fourth Proportional to 35,150.95, 52,720.96 and 12,952.90

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Solution

The fourth proportional to 35,150.95, 52,720.96 and 12,952.90 is: 19,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,150.95 : 52,720.96 = 12,952.90 : x
  2. Step 2: Convert to fraction form
    35,150.95/52,720.96 = 12,952.90/x
  3. Step 3: Cross multiply
    35,150.95x = 52,720.96 × 12,952.90
  4. Step 4: Simplify right side
    35,150.95x = 682,889,322.78
  5. Step 5: Solve for x
    x = 682,889,322.78/35,150.95
  6. Step 6: Final answer
    x = 19,427.34

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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.