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Finding the Fourth Proportional to 35,469.60, 48,950.13 and 20,362.29

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Solution

The fourth proportional to 35,469.60, 48,950.13 and 20,362.29 is: 28,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.60 : 48,950.13 = 20,362.29 : x
  2. Step 2: Convert to fraction form
    35,469.60/48,950.13 = 20,362.29/x
  3. Step 3: Cross multiply
    35,469.60x = 48,950.13 × 20,362.29
  4. Step 4: Simplify right side
    35,469.60x = 996,736,742.60
  5. Step 5: Solve for x
    x = 996,736,742.60/35,469.60
  6. Step 6: Final answer
    x = 28,101.16

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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.