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Finding the Fourth Proportional to 35,280.99, 48,687.93 and 19,365.57

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Solution

The fourth proportional to 35,280.99, 48,687.93 and 19,365.57 is: 26,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.99 : 48,687.93 = 19,365.57 : x
  2. Step 2: Convert to fraction form
    35,280.99/48,687.93 = 19,365.57/x
  3. Step 3: Cross multiply
    35,280.99x = 48,687.93 × 19,365.57
  4. Step 4: Simplify right side
    35,280.99x = 942,869,589.88
  5. Step 5: Solve for x
    x = 942,869,589.88/35,280.99
  6. Step 6: Final answer
    x = 26,724.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.