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Finding the Fourth Proportional to 35,280.84, 48,687.46 and 19,365

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Solution

The fourth proportional to 35,280.84, 48,687.46 and 19,365 is: 26,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.84 : 48,687.46 = 19,365 : x
  2. Step 2: Convert to fraction form
    35,280.84/48,687.46 = 19,365/x
  3. Step 3: Cross multiply
    35,280.84x = 48,687.46 × 19,365
  4. Step 4: Simplify right side
    35,280.84x = 942,832,662.90
  5. Step 5: Solve for x
    x = 942,832,662.90/35,280.84
  6. Step 6: Final answer
    x = 26,723.65

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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.