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Finding the Fourth Proportional to 35,399.70, 48,845.70 and 23,479.20

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Solution

The fourth proportional to 35,399.70, 48,845.70 and 23,479.20 is: 32,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,399.70 : 48,845.70 = 23,479.20 : x
  2. Step 2: Convert to fraction form
    35,399.70/48,845.70 = 23,479.20/x
  3. Step 3: Cross multiply
    35,399.70x = 48,845.70 × 23,479.20
  4. Step 4: Simplify right side
    35,399.70x = 1,146,857,959.44
  5. Step 5: Solve for x
    x = 1,146,857,959.44/35,399.70
  6. Step 6: Final answer
    x = 32,397.39

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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.