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Finding the Fourth Proportional to 35,950.92, 49,610.16 and 20,842.40

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Solution

The fourth proportional to 35,950.92, 49,610.16 and 20,842.40 is: 28,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,950.92 : 49,610.16 = 20,842.40 : x
  2. Step 2: Convert to fraction form
    35,950.92/49,610.16 = 20,842.40/x
  3. Step 3: Cross multiply
    35,950.92x = 49,610.16 × 20,842.40
  4. Step 4: Simplify right side
    35,950.92x = 1,033,994,798.78
  5. Step 5: Solve for x
    x = 1,033,994,798.78/35,950.92
  6. Step 6: Final answer
    x = 28,761.29

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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.