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Finding the Fourth Proportional to 35,315.80, 52,973.70 and 11,944.04

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Solution

The fourth proportional to 35,315.80, 52,973.70 and 11,944.04 is: 17,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.80 : 52,973.70 = 11,944.04 : x
  2. Step 2: Convert to fraction form
    35,315.80/52,973.70 = 11,944.04/x
  3. Step 3: Cross multiply
    35,315.80x = 52,973.70 × 11,944.04
  4. Step 4: Simplify right side
    35,315.80x = 632,719,991.75
  5. Step 5: Solve for x
    x = 632,719,991.75/35,315.80
  6. Step 6: Final answer
    x = 17,916.06

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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.