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Finding the Fourth Proportional to 35,759.79, 53,640.08 and 10,800.05

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Solution

The fourth proportional to 35,759.79, 53,640.08 and 10,800.05 is: 16,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.79 : 53,640.08 = 10,800.05 : x
  2. Step 2: Convert to fraction form
    35,759.79/53,640.08 = 10,800.05/x
  3. Step 3: Cross multiply
    35,759.79x = 53,640.08 × 10,800.05
  4. Step 4: Simplify right side
    35,759.79x = 579,315,546.00
  5. Step 5: Solve for x
    x = 579,315,546.00/35,759.79
  6. Step 6: Final answer
    x = 16,200.19

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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.