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Finding the Fourth Proportional to 35,488.96, 48,978.20 and 26,520.90

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Solution

The fourth proportional to 35,488.96, 48,978.20 and 26,520.90 is: 36,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488.96 : 48,978.20 = 26,520.90 : x
  2. Step 2: Convert to fraction form
    35,488.96/48,978.20 = 26,520.90/x
  3. Step 3: Cross multiply
    35,488.96x = 48,978.20 × 26,520.90
  4. Step 4: Simplify right side
    35,488.96x = 1,298,945,944.38
  5. Step 5: Solve for x
    x = 1,298,945,944.38/35,488.96
  6. Step 6: Final answer
    x = 36,601.41

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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.