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Finding the Fourth Proportional to 35,145.30, 48,500.87 and 19,230.42

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Solution

The fourth proportional to 35,145.30, 48,500.87 and 19,230.42 is: 26,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.30 : 48,500.87 = 19,230.42 : x
  2. Step 2: Convert to fraction form
    35,145.30/48,500.87 = 19,230.42/x
  3. Step 3: Cross multiply
    35,145.30x = 48,500.87 × 19,230.42
  4. Step 4: Simplify right side
    35,145.30x = 932,692,004.31
  5. Step 5: Solve for x
    x = 932,692,004.31/35,145.30
  6. Step 6: Final answer
    x = 26,538.17

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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.