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Finding the Fourth Proportional to 35,591.67, 53,390.34 and 10,629.90

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Solution

The fourth proportional to 35,591.67, 53,390.34 and 10,629.90 is: 15,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.67 : 53,390.34 = 10,629.90 : x
  2. Step 2: Convert to fraction form
    35,591.67/53,390.34 = 10,629.90/x
  3. Step 3: Cross multiply
    35,591.67x = 53,390.34 × 10,629.90
  4. Step 4: Simplify right side
    35,591.67x = 567,533,975.17
  5. Step 5: Solve for x
    x = 567,533,975.17/35,591.67
  6. Step 6: Final answer
    x = 15,945.70

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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.