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Finding the Fourth Proportional to 29,840.70, 44,761.05 and 28,382.70

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Solution

The fourth proportional to 29,840.70, 44,761.05 and 28,382.70 is: 42,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,840.70 : 44,761.05 = 28,382.70 : x
  2. Step 2: Convert to fraction form
    29,840.70/44,761.05 = 28,382.70/x
  3. Step 3: Cross multiply
    29,840.70x = 44,761.05 × 28,382.70
  4. Step 4: Simplify right side
    29,840.70x = 1,270,439,453.84
  5. Step 5: Solve for x
    x = 1,270,439,453.84/29,840.70
  6. Step 6: Final answer
    x = 42,574.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.