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Finding the Fourth Proportional to 44,858.70, 67,275.90 and 13,268.70

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Solution

The fourth proportional to 44,858.70, 67,275.90 and 13,268.70 is: 19,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,858.70 : 67,275.90 = 13,268.70 : x
  2. Step 2: Convert to fraction form
    44,858.70/67,275.90 = 13,268.70/x
  3. Step 3: Cross multiply
    44,858.70x = 67,275.90 × 13,268.70
  4. Step 4: Simplify right side
    44,858.70x = 892,663,734.33
  5. Step 5: Solve for x
    x = 892,663,734.33/44,858.70
  6. Step 6: Final answer
    x = 19,899.46

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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.