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Finding the Fourth Proportional to 35,480.16, 48,965.04 and 20,576.16

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Solution

The fourth proportional to 35,480.16, 48,965.04 and 20,576.16 is: 28,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.16 : 48,965.04 = 20,576.16 : x
  2. Step 2: Convert to fraction form
    35,480.16/48,965.04 = 20,576.16/x
  3. Step 3: Cross multiply
    35,480.16x = 48,965.04 × 20,576.16
  4. Step 4: Simplify right side
    35,480.16x = 1,007,512,497.45
  5. Step 5: Solve for x
    x = 1,007,512,497.45/35,480.16
  6. Step 6: Final answer
    x = 28,396.50

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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.