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Finding the Fourth Proportional to 35,230.78, 48,618.48 and 19,314.90

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Solution

The fourth proportional to 35,230.78, 48,618.48 and 19,314.90 is: 26,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.78 : 48,618.48 = 19,314.90 : x
  2. Step 2: Convert to fraction form
    35,230.78/48,618.48 = 19,314.90/x
  3. Step 3: Cross multiply
    35,230.78x = 48,618.48 × 19,314.90
  4. Step 4: Simplify right side
    35,230.78x = 939,061,079.35
  5. Step 5: Solve for x
    x = 939,061,079.35/35,230.78
  6. Step 6: Final answer
    x = 26,654.56

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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.