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Finding the Fourth Proportional to 35,403.54, 48,873.12 and 25,201.20

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Solution

The fourth proportional to 35,403.54, 48,873.12 and 25,201.20 is: 34,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.54 : 48,873.12 = 25,201.20 : x
  2. Step 2: Convert to fraction form
    35,403.54/48,873.12 = 25,201.20/x
  3. Step 3: Cross multiply
    35,403.54x = 48,873.12 × 25,201.20
  4. Step 4: Simplify right side
    35,403.54x = 1,231,661,271.74
  5. Step 5: Solve for x
    x = 1,231,661,271.74/35,403.54
  6. Step 6: Final answer
    x = 34,789.21

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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.