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Finding the Fourth Proportional to 49,505.84, 68,313.84 and 28,280.96

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Solution

The fourth proportional to 49,505.84, 68,313.84 and 28,280.96 is: 39,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,505.84 : 68,313.84 = 28,280.96 : x
  2. Step 2: Convert to fraction form
    49,505.84/68,313.84 = 28,280.96/x
  3. Step 3: Cross multiply
    49,505.84x = 68,313.84 × 28,280.96
  4. Step 4: Simplify right side
    49,505.84x = 1,931,980,976.49
  5. Step 5: Solve for x
    x = 1,931,980,976.49/49,505.84
  6. Step 6: Final answer
    x = 39,025.31

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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.