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Finding the Fourth Proportional to 35,130.50, 48,481.24 and 19,214.94

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Solution

The fourth proportional to 35,130.50, 48,481.24 and 19,214.94 is: 26,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.50 : 48,481.24 = 19,214.94 : x
  2. Step 2: Convert to fraction form
    35,130.50/48,481.24 = 19,214.94/x
  3. Step 3: Cross multiply
    35,130.50x = 48,481.24 × 19,214.94
  4. Step 4: Simplify right side
    35,130.50x = 931,564,142.85
  5. Step 5: Solve for x
    x = 931,564,142.85/35,130.50
  6. Step 6: Final answer
    x = 26,517.25

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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.