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Finding the Fourth Proportional to 35,300.16, 48,712.32 and 20,193.12

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Solution

The fourth proportional to 35,300.16, 48,712.32 and 20,193.12 is: 27,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,300.16 : 48,712.32 = 20,193.12 : x
  2. Step 2: Convert to fraction form
    35,300.16/48,712.32 = 20,193.12/x
  3. Step 3: Cross multiply
    35,300.16x = 48,712.32 × 20,193.12
  4. Step 4: Simplify right side
    35,300.16x = 983,653,723.24
  5. Step 5: Solve for x
    x = 983,653,723.24/35,300.16
  6. Step 6: Final answer
    x = 27,865.42

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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.