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Finding the Fourth Proportional to 35,488.92, 48,978.17 and 26,520.85

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Solution

The fourth proportional to 35,488.92, 48,978.17 and 26,520.85 is: 36,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488.92 : 48,978.17 = 26,520.85 : x
  2. Step 2: Convert to fraction form
    35,488.92/48,978.17 = 26,520.85/x
  3. Step 3: Cross multiply
    35,488.92x = 48,978.17 × 26,520.85
  4. Step 4: Simplify right side
    35,488.92x = 1,298,942,699.84
  5. Step 5: Solve for x
    x = 1,298,942,699.84/35,488.92
  6. Step 6: Final answer
    x = 36,601.36

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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.