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Finding the Fourth Proportional to 34,053.84, 46,990.62 and 18,944.10

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Solution

The fourth proportional to 34,053.84, 46,990.62 and 18,944.10 is: 26,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,053.84 : 46,990.62 = 18,944.10 : x
  2. Step 2: Convert to fraction form
    34,053.84/46,990.62 = 18,944.10/x
  3. Step 3: Cross multiply
    34,053.84x = 46,990.62 × 18,944.10
  4. Step 4: Simplify right side
    34,053.84x = 890,195,004.34
  5. Step 5: Solve for x
    x = 890,195,004.34/34,053.84
  6. Step 6: Final answer
    x = 26,140.81

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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.