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Finding the Fourth Proportional to 35,990.73, 53,994.60 and 13,804.83

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Solution

The fourth proportional to 35,990.73, 53,994.60 and 13,804.83 is: 20,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.73 : 53,994.60 = 13,804.83 : x
  2. Step 2: Convert to fraction form
    35,990.73/53,994.60 = 13,804.83/x
  3. Step 3: Cross multiply
    35,990.73x = 53,994.60 × 13,804.83
  4. Step 4: Simplify right side
    35,990.73x = 745,386,273.92
  5. Step 5: Solve for x
    x = 745,386,273.92/35,990.73
  6. Step 6: Final answer
    x = 20,710.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.