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Finding the Fourth Proportional to 33,480, 46,202.40 and 18,576.32

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Solution

The fourth proportional to 33,480, 46,202.40 and 18,576.32 is: 25,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480 : 46,202.40 = 18,576.32 : x
  2. Step 2: Convert to fraction form
    33,480/46,202.40 = 18,576.32/x
  3. Step 3: Cross multiply
    33,480x = 46,202.40 × 18,576.32
  4. Step 4: Simplify right side
    33,480x = 858,270,567.17
  5. Step 5: Solve for x
    x = 858,270,567.17/33,480
  6. Step 6: Final answer
    x = 25,635.32

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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.