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Finding the Fourth Proportional to 44,480.40, 66,720.72 and 16,388.29

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Solution

The fourth proportional to 44,480.40, 66,720.72 and 16,388.29 is: 24,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,480.40 : 66,720.72 = 16,388.29 : x
  2. Step 2: Convert to fraction form
    44,480.40/66,720.72 = 16,388.29/x
  3. Step 3: Cross multiply
    44,480.40x = 66,720.72 × 16,388.29
  4. Step 4: Simplify right side
    44,480.40x = 1,093,438,174.77
  5. Step 5: Solve for x
    x = 1,093,438,174.77/44,480.40
  6. Step 6: Final answer
    x = 24,582.47

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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.